year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,0.00121,1.17e-05,0.000521,9.75e-19,0.000412
1851,0.00127,1.23e-05,0.0005290000000000001,6.0100000000000004e-05,0.000429
1852,0.00133,1.29e-05,0.000536,0.00011999999999999999,0.000449
1853,0.00139,1.3599999999999999e-05,0.000544,0.00017999999999999998,0.00047
1854,0.00146,1.44e-05,0.0005510000000000001,0.00023999999999999998,0.000494
1855,0.0015300000000000001,1.52e-05,0.0005570000000000001,0.0003,0.0005200000000000001
1856,0.00161,1.6e-05,0.0005629999999999999,0.00035999999999999997,0.0005470000000000001
1857,0.0016799999999999999,1.6899999999999997e-05,0.000569,0.00041999999999999996,0.0005769999999999999
1858,0.00176,1.78e-05,0.000575,0.00047999999999999996,0.000608
1859,0.00184,1.87e-05,0.00058,0.00054,0.000641
1860,0.0019199999999999998,1.96e-05,0.000584,0.000601,0.000675
1861,0.0020099999999999996,2.06e-05,0.000588,0.000661,0.0007109999999999999
1862,0.0021000000000000003,2.17e-05,0.0005909999999999999,0.000721,0.000749
1863,0.00219,2.2700000000000003e-05,0.0005949999999999999,0.000781,0.000789
1864,0.00229,2.39e-05,0.000598,0.000841,0.0008309999999999999
1865,0.00239,2.51e-05,0.000601,0.000901,0.000875
1866,0.00249,2.63e-05,0.000605,0.0009609999999999999,0.0009220000000000001
1867,0.0026,2.76e-05,0.000608,0.00102,0.0009699999999999999
1868,0.00272,2.8899999999999998e-05,0.000612,0.00108,0.00102
1869,0.0028399999999999996,3.03e-05,0.000616,0.00114,0.00107
1870,0.00296,3.18e-05,0.00062,0.0012,0.00113
1871,0.00309,3.33e-05,0.000627,0.00126,0.0011899999999999999
1872,0.00323,3.5000000000000004e-05,0.000639,0.00132,0.00126
1873,0.0033799999999999998,3.6700000000000004e-05,0.000655,0.00138,0.00133
1874,0.00354,3.85e-05,0.000674,0.0014399999999999999,0.00141
1875,0.0037099999999999998,4.05e-05,0.000695,0.0015,0.00149
1876,0.0038799999999999998,4.24e-05,0.000716,0.00156,0.00158
1877,0.004059999999999999,4.45e-05,0.000737,0.0016200000000000001,0.0016699999999999998
1878,0.00424,4.66e-05,0.000756,0.0016799999999999999,0.00175
1879,0.00442,4.87e-05,0.000772,0.00174,0.00184
1880,0.0046,5.0900000000000004e-05,0.000785,0.0018,0.0019199999999999998
1881,0.00479,5.32e-05,0.000795,0.00186,0.002
1882,0.00498,5.54e-05,0.0008060000000000001,0.0019199999999999998,0.00207
1883,0.00517,5.7799999999999995e-05,0.0008179999999999999,0.00198,0.00216
1884,0.00537,6.02e-05,0.00083,0.00204,0.0022400000000000002
1885,0.00558,6.28e-05,0.000842,0.0021000000000000003,0.00232
1886,0.00579,6.54e-05,0.000855,0.00216,0.0024
1887,0.00601,6.809999999999999e-05,0.000867,0.00222,0.00249
1888,0.00624,7.09e-05,0.00088,0.00228,0.0025800000000000003
1889,0.0064800000000000005,7.38e-05,0.000893,0.00234,0.00267
1890,0.00726,7.26e-05,0.00094,0.0024,0.00287
1891,0.00753,7.26e-05,0.000945,0.00246,0.0029
1892,0.00784,7.26e-05,0.000953,0.00252,0.0029500000000000004
1893,0.00817,7.26e-05,0.000963,0.0025800000000000003,0.00302
1894,0.00853,7.26e-05,0.000976,0.00264,0.00311
1895,0.008919999999999999,7.26e-05,0.000991,0.0027,0.00322
1896,0.00933,7.26e-05,0.00101,0.00276,0.00333
1897,0.00976,7.26e-05,0.00103,0.00282,0.00346
1898,0.010199999999999999,7.26e-05,0.0010500000000000002,0.0028799999999999997,0.0036
1899,0.0107,7.26e-05,0.00107,0.00294,0.00375
1900,0.0112,7.26e-05,0.00109,0.003,0.0039
1901,0.011699999999999999,7.27e-05,0.0011200000000000001,0.0030600000000000002,0.00411
1902,0.0123,7.27e-05,0.00116,0.00312,0.00441
1903,0.013,7.27e-05,0.00121,0.00318,0.00478
1904,0.013699999999999999,7.27e-05,0.00126,0.0032400000000000003,0.00519
1905,0.0144,7.280000000000001e-05,0.00132,0.0033,0.00562
1906,0.0152,7.280000000000001e-05,0.00138,0.0033599999999999997,0.00605
1907,0.0159,7.280000000000001e-05,0.00145,0.00342,0.00645
1908,0.0167,7.290000000000001e-05,0.00152,0.00348,0.00679
1909,0.0174,7.290000000000001e-05,0.00159,0.00354,0.00705
1910,0.0181,7.290000000000001e-05,0.00166,0.0036,0.0072
1911,0.0188,7.290000000000001e-05,0.00173,0.00366,0.0073
1912,0.0195,7.290000000000001e-05,0.0018,0.00372,0.00739
1913,0.0201,7.290000000000001e-05,0.00188,0.00378,0.00747
1914,0.0208,7.290000000000001e-05,0.00196,0.0038399999999999997,0.007549999999999999
1915,0.0214,7.290000000000001e-05,0.0020499999999999997,0.0039,0.00762
1916,0.0221,7.290000000000001e-05,0.00214,0.00396,0.007679999999999999
1917,0.022699999999999998,7.290000000000001e-05,0.0022400000000000002,0.004019999999999999,0.007730000000000001
1918,0.023399999999999997,7.290000000000001e-05,0.00235,0.00408,0.0077800000000000005
1919,0.0241,7.290000000000001e-05,0.00246,0.00414,0.007809999999999999
1920,0.0249,7.290000000000001e-05,0.00259,0.004200000000000001,0.00784
1921,0.0256,7.52e-05,0.00273,0.00426,0.00785
1922,0.0264,8.17e-05,0.0029,0.00432,0.00787
1923,0.0272,9.19e-05,0.0030800000000000003,0.00438,0.00789
1924,0.028,0.00010499999999999999,0.00329,0.00444,0.0079
1925,0.0289,0.000121,0.0035099999999999997,0.0045,0.00791
1926,0.0298,0.00013900000000000002,0.00375,0.00456,0.00792
1927,0.030699999999999998,0.000158,0.004,0.00462,0.00793
1928,0.0316,0.000178,0.0042699999999999995,0.00468,0.00795
1929,0.032600000000000004,0.000199,0.00454,0.00474,0.00796
1930,0.033600000000000005,0.000219,0.00483,0.0048,0.00797
1931,0.0346,0.00023999999999999998,0.00514,0.004860000000000001,0.008
1932,0.0357,0.000263,0.0054800000000000005,0.00492,0.008060000000000001
1933,0.0367,0.00028799999999999995,0.00584,0.00498,0.00816
1934,0.0378,0.000315,0.00624,0.00504,0.008289999999999999
1935,0.039,0.000345,0.0066500000000000005,0.0050999999999999995,0.00843
1936,0.0402,0.000377,0.0070999999999999995,0.0051600000000000005,0.0086
1937,0.0415,0.000412,0.00756,0.00522,0.00878
1938,0.0428,0.000449,0.008039999999999999,0.00528,0.00898
1939,0.0442,0.000489,0.008539999999999999,0.00534,0.009179999999999999
1940,0.0456,0.000532,0.00906,0.0054,0.009380000000000001
1941,0.0471,0.00058,0.009630000000000001,0.00546,0.009699999999999999
1942,0.048600000000000004,0.0006360000000000001,0.0103,0.00552,0.010199999999999999
1943,0.0502,0.000699,0.0109,0.00558,0.0109
1944,0.0518,0.000768,0.011699999999999999,0.00564,0.011699999999999999
1945,0.0536,0.000843,0.0124,0.0057,0.0126
1946,0.0555,0.000924,0.0132,0.00577,0.0135
1947,0.0577,0.00101,0.014,0.00583,0.0144
1948,0.0601,0.0011,0.0149,0.005889999999999999,0.0152
1949,0.0627,0.0011899999999999999,0.0157,0.00595,0.0159
1950,0.061399999999999996,0.0012900000000000001,0.0165,0.00601,0.0165
1951,0.0727,0.0014,0.0173,0.00607,0.0173
1952,0.0841,0.00151,0.0181,0.00613,0.0184
1953,0.0882,0.00163,0.0189,0.00619,0.019899999999999998
1954,0.0923,0.00176,0.0197,0.00625,0.0215
1955,0.137,0.0019,0.0205,0.00631,0.0233
1956,0.148,0.0020499999999999997,0.0214,0.00637,0.0252
1957,0.186,0.00221,0.0223,0.00643,0.0269
1958,0.19,0.0023799999999999997,0.0233,0.00649,0.0285
1959,0.271,0.0025499999999999997,0.024300000000000002,0.006549999999999999,0.0299
1960,0.422,0.0027400000000000002,0.0253,0.00661,0.030899999999999997
1961,0.558,0.0029300000000000003,0.0264,0.00667,0.028300000000000002
1962,0.738,0.00314,0.0277,0.006730000000000001,0.0286
1963,0.72,0.0033599999999999997,0.0289,0.00679,0.0287
1964,1.1,0.00359,0.0304,0.006849999999999999,0.03
1965,1.33,0.00385,0.0318,0.00691,0.030699999999999998
1966,1.11,0.311,0.033100000000000004,0.00697,0.0329
1967,1.38,0.342,0.0346,0.007030000000000001,0.0338
1968,1.31,0.343,0.036,0.00709,0.0329
1969,1.35,0.408,0.0373,0.00715,0.0317
1970,2.17,0.415,0.0368,0.00732,0.0315
1971,6.33,0.416,0.041,0.00732,0.0316
1972,6.02,0.492,0.0421,0.00744,0.0315
1973,7.42,0.479,0.0432,0.00825,0.033100000000000004
1974,7.01,0.399,0.0443,0.00729,0.028
1975,8.08,0.196,0.045399999999999996,0.009609999999999999,0.0268
1976,6.34,0.14,0.0469,0.00958,0.0299
1977,9.7,0.0436,0.047799999999999995,0.0101,0.030600000000000002
1978,6.46,0.167,0.049100000000000005,0.0116,0.0269
1979,6.72,0.222,0.0506,0.0103,0.0254
1980,7.77,0.231,0.0528,0.011,0.026600000000000002
1981,2.8,0.023100000000000002,0.054,0.012,0.028300000000000002
1982,2.24,0.039700000000000006,0.0562,0.0125,0.0269
1983,2.02,0.019,0.0577,0.009460000000000001,0.026
1984,1.87,0.0299,0.0596,0.009640000000000001,0.0263
1985,1.52,0.00891,0.061200000000000004,0.00973,0.0258
1986,1.42,0.008490000000000001,0.0629,0.00973,0.0258
1987,1.43,0.00934,0.0644,0.0123,0.026
1988,1.55,0.00867,0.0659,0.013,0.0261
1989,1.96,0.00899,0.06720000000000001,0.0135,0.0269
1990,1.96,0.00916,0.0688,0.0148,0.027
1991,1.8,0.009779999999999999,0.07,0.0154,0.0263
1992,1.8,0.00934,0.0711,0.0154,0.0272
1993,1.71,0.009720000000000001,0.0724,0.015099999999999999,0.0261
1994,1.7,0.00992,0.0741,0.016399999999999998,0.0247
1995,1.7,0.009890000000000001,0.0755,0.0209,0.0305
1996,1.69,0.0105,0.07659999999999999,0.023600000000000003,0.032799999999999996
1997,1.39,0.0103,0.0782,0.022699999999999998,0.0293
1998,1.7,0.0107,0.0783,0.027800000000000002,0.039299999999999995
1999,1.7,0.0107,0.07940000000000001,0.0241,0.0332
2000,1.7,0.00976,0.082,0.023600000000000003,0.0264
2001,1.6,0.010199999999999999,0.0836,0.023899999999999998,0.026
2002,1.6,0.0104,0.0852,0.0241,0.026
2003,1.55,0.011,0.0868,0.0289,0.0205
2004,1.76,0.0111,0.0884,0.03,0.045200000000000004
2005,1.78,0.012199999999999999,0.09,0.0316,0.0303
2006,1.7,0.0121,0.09190000000000001,0.030600000000000002,0.027
2007,1.72,0.012,0.0938,0.0298,0.0289
2008,1.52,0.0111,0.0955,0.0216,0.0414
2009,1.67,0.012,0.0975,0.0253,0.029
2010,1.68,0.011800000000000001,0.0991,0.0259,0.022699999999999998
2011,1.89,0.0112,0.101,0.028300000000000002,0.0412
2012,2.01,0.0127,0.103,0.0471,0.030199999999999998
2013,2.84,0.0129,0.104,0.0507,0.041100000000000005
2014,2.45,0.0126,0.105,0.0484,0.028300000000000002
2015,2.51,0.0125,0.107,0.046299999999999994,0.033
2016,2.59,0.0127,0.109,0.045899999999999996,0.0344
2017,2.51,0.0128,0.111,0.0475,0.040299999999999996
2018,2.61,0.013,0.112,0.049100000000000005,0.0268