year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00036899999999999997,1.55e-06,0.00213,0.0178
1851,0.000371,1.68e-06,0.00216,0.0178
1852,0.000376,1.83e-06,0.00219,0.0178
1853,0.000386,1.99e-06,0.00222,0.0179
1854,0.000399,2.18e-06,0.0022400000000000002,0.0179
1855,0.000416,2.38e-06,0.00227,0.0179
1856,0.00043599999999999997,2.5999999999999997e-06,0.00229,0.0179
1857,0.00046,2.83e-06,0.00232,0.0179
1858,0.00048699999999999997,3.0799999999999997e-06,0.00234,0.0179
1859,0.000517,3.35e-06,0.00237,0.0179
1860,0.00055,3.63e-06,0.00239,0.0179
1861,0.0005859999999999999,3.9300000000000005e-06,0.0024100000000000002,0.018
1862,0.000626,4.24e-06,0.0024300000000000003,0.018
1863,0.0006680000000000001,4.5599999999999995e-06,0.0024500000000000004,0.018
1864,0.000713,4.9e-06,0.0024700000000000004,0.018
1865,0.000761,5.2500000000000006e-06,0.00249,0.018
1866,0.0008110000000000001,5.6100000000000005e-06,0.0025099999999999996,0.0181
1867,0.000864,5.98e-06,0.0025299999999999997,0.0181
1868,0.000919,6.37e-06,0.0025499999999999997,0.0181
1869,0.000977,6.7600000000000005e-06,0.00257,0.0182
1870,0.0010400000000000001,7.17e-06,0.0026,0.0182
1871,0.0011,7.59e-06,0.00263,0.0182
1872,0.00116,8.01e-06,0.00266,0.0183
1873,0.00123,8.449999999999999e-06,0.00269,0.0183
1874,0.0013,8.89e-06,0.00272,0.0183
1875,0.0013700000000000001,9.35e-06,0.00276,0.0184
1876,0.0014399999999999999,9.81e-06,0.0028,0.0184
1877,0.00151,1.03e-05,0.00283,0.0185
1878,0.00159,1.08e-05,0.00287,0.0185
1879,0.00166,1.12e-05,0.0029100000000000003,0.018600000000000002
1880,0.00174,1.17e-05,0.0029500000000000004,0.018600000000000002
1881,0.00182,1.22e-05,0.00298,0.018600000000000002
1882,0.0019,1.2699999999999999e-05,0.00302,0.018699999999999998
1883,0.00198,1.32e-05,0.0030600000000000002,0.018699999999999998
1884,0.00206,1.3700000000000001e-05,0.0031,0.0188
1885,0.00215,1.43e-05,0.00313,0.0188
1886,0.0022299999999999998,1.48e-05,0.00317,0.0189
1887,0.00232,1.53e-05,0.00321,0.019
1888,0.0024,1.58e-05,0.00325,0.019
1889,0.00249,1.63e-05,0.00329,0.019100000000000002
1890,0.00272,2.55e-05,0.00335,0.020399999999999998
1891,0.00281,2.7300000000000003e-05,0.00335,0.019100000000000002
1892,0.0029100000000000003,2.95e-05,0.00335,0.018
1893,0.00302,3.2099999999999994e-05,0.0033599999999999997,0.0169
1894,0.00313,3.5000000000000004e-05,0.00337,0.0158
1895,0.00325,3.83e-05,0.0033799999999999998,0.0149
1896,0.0033799999999999998,4.18e-05,0.0033900000000000002,0.0141
1897,0.0035,4.55e-05,0.0034100000000000003,0.0135
1898,0.00364,4.9500000000000004e-05,0.0034300000000000003,0.013
1899,0.00377,5.36e-05,0.00344,0.0127
1900,0.00391,5.79e-05,0.00346,0.0126
1901,0.004070000000000001,6.29e-05,0.00349,0.0127
1902,0.00426,6.91e-05,0.0035299999999999997,0.0127
1903,0.0044599999999999996,7.61e-05,0.0035800000000000003,0.0128
1904,0.00468,8.37e-05,0.00364,0.0129
1905,0.004889999999999999,9.15e-05,0.0037099999999999998,0.013099999999999999
1906,0.0050999999999999995,9.93e-05,0.00379,0.0132
1907,0.00529,0.000107,0.0038799999999999998,0.0134
1908,0.00546,0.00011300000000000001,0.0039700000000000004,0.0136
1909,0.0055899999999999995,0.00011899999999999999,0.004059999999999999,0.013900000000000001
1910,0.005679999999999999,0.000124,0.0041600000000000005,0.0141
1911,0.005719999999999999,0.000127,0.0042699999999999995,0.0148
1912,0.005730000000000001,0.00013000000000000002,0.0044,0.0162
1913,0.005719999999999999,0.000133,0.00456,0.0183
1914,0.005690000000000001,0.000135,0.004730000000000001,0.0209
1915,0.0056500000000000005,0.00013700000000000002,0.00491,0.023899999999999998
1916,0.00561,0.00014000000000000001,0.00509,0.0273
1917,0.00558,0.00014199999999999998,0.00528,0.0308
1918,0.00557,0.00014399999999999998,0.00546,0.0344
1919,0.00558,0.000147,0.00564,0.038
1920,0.00562,0.00015,0.0058,0.0415
1921,0.005690000000000001,0.000153,0.00595,0.0455
1922,0.00579,0.000157,0.00609,0.0504
1923,0.00592,0.00016,0.00623,0.0559
1924,0.006059999999999999,0.000164,0.00636,0.061799999999999994
1925,0.00621,0.00016800000000000002,0.00649,0.0676
1926,0.00638,0.00017299999999999998,0.00663,0.0731
1927,0.006549999999999999,0.000177,0.00677,0.078
1928,0.006719999999999999,0.000183,0.0069299999999999995,0.0818
1929,0.006889999999999999,0.000188,0.00709,0.0844
1930,0.0070599999999999994,0.000194,0.0072699999999999996,0.0853
1931,0.00725,0.000201,0.00747,0.0842
1932,0.0075,0.00020999999999999998,0.0077,0.08109999999999999
1933,0.00779,0.000219,0.007940000000000001,0.07659999999999999
1934,0.00811,0.00023,0.00819,0.0712
1935,0.00844,0.000241,0.00846,0.06520000000000001
1936,0.00877,0.000253,0.00874,0.0592
1937,0.00908,0.000265,0.00903,0.0538
1938,0.00936,0.00027600000000000004,0.00933,0.0492
1939,0.0096,0.000287,0.009630000000000001,0.046200000000000005
1940,0.00977,0.000297,0.00993,0.0451
1941,0.009970000000000001,0.000306,0.010199999999999999,0.0461
1942,0.0103,0.000314,0.0105,0.049
1943,0.0107,0.000321,0.0108,0.053399999999999996
1944,0.0112,0.00032900000000000003,0.0112,0.0587
1945,0.011800000000000001,0.00033600000000000004,0.0115,0.06470000000000001
1946,0.0124,0.00034399999999999996,0.011800000000000001,0.0709
1947,0.013099999999999999,0.000352,0.012199999999999999,0.07690000000000001
1948,0.013699999999999999,0.00036199999999999996,0.0126,0.0824
1949,0.0144,0.000373,0.0129,0.0869
1950,0.015,0.000386,0.013300000000000001,0.08990000000000001
1951,0.0157,0.00040300000000000004,0.013800000000000002,0.09209999999999999
1952,0.0166,0.000426,0.014199999999999999,0.09409999999999999
1953,0.0176,0.000455,0.0147,0.0958
1954,0.018699999999999998,0.00048699999999999997,0.0152,0.0975
1955,0.019899999999999998,0.000523,0.0157,0.099
1956,0.021,0.0005610000000000001,0.016300000000000002,0.1
1957,0.022,0.0006,0.016800000000000002,0.102
1958,0.0228,0.000638,0.0174,0.103
1959,0.023399999999999997,0.0006760000000000001,0.0179,0.104
1960,0.0238,0.000713,0.0184,0.105
1961,0.023899999999999998,0.000747,0.0189,0.114
1962,0.0237,0.00078,0.019399999999999997,0.115
1963,0.023399999999999997,0.0008139999999999999,0.02,0.107
1964,0.0229,0.000847,0.0205,0.105
1965,0.0224,0.000882,0.0211,0.107
1966,0.022,0.0009180000000000001,0.0216,0.11
1967,0.0216,0.0009559999999999999,0.0221,0.114
1968,0.0215,0.000996,0.022600000000000002,0.115
1969,0.0215,0.0010400000000000001,0.0229,0.108
1970,0.027399999999999997,0.000975,0.023399999999999997,0.105
1971,0.027399999999999997,0.000875,0.024300000000000002,0.108
1972,0.0229,0.000905,0.0247,0.109
1973,0.023,0.0008539999999999999,0.0252,0.112
1974,0.0249,0.000747,0.0257,0.118
1975,0.0251,0.000662,0.028,0.122
1976,0.0269,0.000596,0.027600000000000003,0.122
1977,0.0282,0.00047299999999999995,0.028300000000000002,0.12
1978,0.027800000000000002,0.0004,0.0288,0.12
1979,0.026600000000000002,0.00047999999999999996,0.0292,0.118
1980,0.026,0.000371,0.0299,0.116
1981,0.027,0.000372,0.0308,0.117
1982,0.030199999999999998,0.000231,0.030699999999999998,0.118
1983,0.0312,0.000128,0.031100000000000003,0.117
1984,0.03,0.000221,0.0324,0.117
1985,0.0324,0.000237,0.0335,0.115
1986,0.0327,0.000228,0.0355,0.111
1987,0.031100000000000003,0.00023899999999999998,0.0367,0.112
1988,0.0335,0.000266,0.037,0.11
1989,0.0345,0.000393,0.0364,0.106
1990,0.0337,0.000374,0.0394,0.103
1991,0.0317,0.00035,0.040299999999999996,0.0986
1992,0.033100000000000004,0.000303,0.0412,0.0778
1993,0.0291,0.00025,0.042,0.0778
1994,0.0265,0.000261,0.0431,0.0721
1995,0.0272,0.00023400000000000002,0.0439,0.069
1996,0.028399999999999998,0.000207,0.044700000000000004,0.0655
1997,0.027100000000000003,0.00022,0.046,0.06470000000000001
1998,0.026600000000000002,0.00019600000000000002,0.047,0.0637
1999,0.0257,0.00019800000000000002,0.048600000000000004,0.06559999999999999
2000,0.0237,0.000136,0.0505,0.0639
2001,0.0254,0.00014099999999999998,0.0513,0.0648
2002,0.0251,0.000131,0.053200000000000004,0.0639
2003,0.0272,0.000125,0.0551,0.06720000000000001
2004,0.026699999999999998,0.00015,0.0575,0.0694
2005,0.027600000000000003,0.00015099999999999998,0.0575,0.0695
2006,0.0273,0.000146,0.0613,0.0715
2007,0.027399999999999997,0.000136,0.0649,0.069
2008,0.027,0.000129,0.0686,0.0655
2009,0.0272,0.000116,0.0706,0.0663
2010,0.028,0.00010899999999999999,0.0731,0.0658
2011,0.026699999999999998,7.000000000000001e-05,0.07429999999999999,0.06420000000000001
2012,0.0252,9.1e-05,0.0742,0.06409999999999999
2013,0.0248,9.75e-05,0.0681,0.061
2014,0.022699999999999998,0.000111,0.0728,0.060200000000000004
2015,0.025,0.000111,0.0745,0.0598
2016,0.0246,9.130000000000001e-05,0.0803,0.0599
2017,0.0242,8.76e-05,0.0804,0.06
2018,0.0229,8.400000000000001e-05,0.0778,0.0562