year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00158,0.0,0.00033600000000000004,0.0014
1851,0.00163,4.22e-12,0.00034,0.00149
1852,0.0016899999999999999,9.149999999999999e-12,0.00034399999999999996,0.00159
1853,0.00174,1.48e-11,0.000347,0.00171
1854,0.0017900000000000001,2.11e-11,0.00035099999999999997,0.00184
1855,0.00185,2.81e-11,0.00035499999999999996,0.002
1856,0.00191,3.5700000000000003e-11,0.000358,0.00216
1857,0.00196,4.3999999999999997e-11,0.00036199999999999996,0.00235
1858,0.00202,5.29e-11,0.000365,0.00254
1859,0.0020800000000000003,6.24e-11,0.00036899999999999997,0.00276
1860,0.00214,7.25e-11,0.000372,0.00299
1861,0.0022,8.31e-11,0.000375,0.00323
1862,0.00226,9.43e-11,0.000379,0.00349
1863,0.00233,1.06e-10,0.000382,0.00376
1864,0.00239,1.18e-10,0.00038500000000000003,0.00405
1865,0.0024500000000000004,1.3099999999999999e-10,0.000388,0.00435
1866,0.00252,1.44e-10,0.000391,0.00466
1867,0.00259,1.5800000000000002e-10,0.00039400000000000004,0.0049900000000000005
1868,0.00265,1.72e-10,0.000398,0.00533
1869,0.00272,1.87e-10,0.00040100000000000004,0.005690000000000001
1870,0.00279,2.02e-10,0.00040500000000000003,0.006059999999999999
1871,0.00285,2.17e-10,0.000408,0.00644
1872,0.00292,2.33e-10,0.000412,0.00684
1873,0.00299,2.49e-10,0.000415,0.00724
1874,0.0030600000000000002,2.65e-10,0.000419,0.00766
1875,0.00313,2.82e-10,0.000422,0.0081
1876,0.0032,2.99e-10,0.000426,0.008539999999999999
1877,0.00328,3.1600000000000005e-10,0.000431,0.009
1878,0.00335,3.34e-10,0.000435,0.009470000000000001
1879,0.00342,3.5199999999999997e-10,0.00044,0.00996
1880,0.00349,3.7e-10,0.00044500000000000003,0.0104
1881,0.00357,3.88e-10,0.00045200000000000004,0.011
1882,0.00364,4.07e-10,0.00045900000000000004,0.0115
1883,0.00372,4.26e-10,0.00046800000000000005,0.012
1884,0.00379,4.4499999999999996e-10,0.000477,0.0125
1885,0.00387,4.64e-10,0.00048699999999999997,0.013099999999999999
1886,0.00394,4.83e-10,0.000497,0.013699999999999999
1887,0.004019999999999999,5.02e-10,0.000507,0.014199999999999999
1888,0.0040999999999999995,5.220000000000001e-10,0.000518,0.0148
1889,0.00417,5.41e-10,0.000528,0.0154
1890,0.00466,8.45e-10,0.000571,0.015300000000000001
1891,0.004719999999999999,9.040000000000001e-10,0.0005729999999999999,0.0155
1892,0.00478,9.769999999999998e-10,0.0005769999999999999,0.0158
1893,0.00484,1.06e-09,0.000584,0.0162
1894,0.00492,1.16e-09,0.000594,0.0167
1895,0.0049900000000000005,1.27e-09,0.000605,0.0173
1896,0.00507,1.38e-09,0.000618,0.018
1897,0.00515,1.51e-09,0.000633,0.0188
1898,0.00524,1.64e-09,0.0006490000000000001,0.019600000000000003
1899,0.00533,1.7799999999999999e-09,0.0006670000000000001,0.020399999999999998
1900,0.00542,1.92e-09,0.0006850000000000001,0.0213
1901,0.00563,2.08e-09,0.000707,0.0225
1902,0.006059999999999999,2.29e-09,0.0007379999999999999,0.024300000000000002
1903,0.00667,2.52e-09,0.000775,0.0265
1904,0.00741,2.77e-09,0.0008179999999999999,0.0289
1905,0.00826,3.0299999999999997e-09,0.000867,0.0315
1906,0.00916,3.29e-09,0.000919,0.034
1907,0.0101,3.53e-09,0.000975,0.0364
1908,0.011,3.76e-09,0.00103,0.0384
1909,0.0119,3.950000000000001e-09,0.00109,0.04
1910,0.0127,4.09e-09,0.00115,0.0409
1911,0.0134,4.21e-09,0.00121,0.0415
1912,0.014199999999999999,4.31e-09,0.00128,0.042
1913,0.0149,4.39e-09,0.00134,0.0425
1914,0.0157,4.4700000000000005e-09,0.0014199999999999998,0.043
1915,0.016399999999999998,4.54e-09,0.00149,0.0434
1916,0.0172,4.61e-09,0.00158,0.0438
1917,0.018,4.68e-09,0.00166,0.0441
1918,0.018699999999999998,4.76e-09,0.00176,0.0444
1919,0.019399999999999997,4.8500000000000004e-09,0.0018700000000000001,0.0446
1920,0.0201,4.95e-09,0.00198,0.044700000000000004
1921,0.0208,5.0599999999999995e-09,0.00211,0.0448
1922,0.0215,5.180000000000001e-09,0.00226,0.044899999999999995
1923,0.0221,5.3e-09,0.0024300000000000003,0.045
1924,0.022699999999999998,5.43e-09,0.00262,0.0451
1925,0.023399999999999997,5.56e-09,0.00283,0.045200000000000004
1926,0.024,5.71e-09,0.0030499999999999998,0.0453
1927,0.0247,5.87e-09,0.00329,0.045399999999999996
1928,0.0253,6.04e-09,0.00354,0.0455
1929,0.026,6.22e-09,0.0038,0.0455
1930,0.026699999999999998,6.4200000000000006e-09,0.004070000000000001,0.0456
1931,0.027399999999999997,6.65e-09,0.00437,0.0458
1932,0.0281,6.94e-09,0.004690000000000001,0.0461
1933,0.0287,7.26e-09,0.00504,0.046700000000000005
1934,0.0294,7.61e-09,0.00541,0.0474
1935,0.030100000000000002,7.989999999999999e-09,0.0058200000000000005,0.0482
1936,0.030899999999999997,8.37e-09,0.00624,0.0492
1937,0.0317,8.76e-09,0.006679999999999999,0.0502
1938,0.032600000000000004,9.130000000000001e-09,0.00714,0.0513
1939,0.033600000000000005,9.490000000000001e-09,0.00762,0.0525
1940,0.0347,9.830000000000001e-09,0.008119999999999999,0.053700000000000005
1941,0.036,1.01e-08,0.00864,0.0549
1942,0.037700000000000004,1.04e-08,0.0092,0.056
1943,0.0396,1.06e-08,0.009810000000000001,0.0571
1944,0.0418,1.09e-08,0.0104,0.0583
1945,0.0442,1.11e-08,0.0111,0.0596
1946,0.046700000000000005,1.14e-08,0.011800000000000001,0.061
1947,0.0494,1.17e-08,0.0125,0.0625
1948,0.0522,1.2e-08,0.0132,0.0643
1949,0.0551,1.2300000000000001e-08,0.013900000000000001,0.0663
1950,0.058,1.2799999999999999e-08,0.0147,0.0686
1951,0.061,1.33e-08,0.0154,0.0726
1952,0.0644,1.41e-08,0.0161,0.079
1953,0.0681,1.5000000000000002e-08,0.0169,0.0874
1954,0.072,1.61e-08,0.0177,0.09720000000000001
1955,0.076,1.7200000000000002e-08,0.0185,0.108
1956,0.0803,1.85e-08,0.0193,0.118
1957,0.0846,1.97e-08,0.0201,0.129
1958,0.089,2.1e-08,0.021,0.138
1959,0.09340000000000001,2.23e-08,0.0219,0.146
1960,0.09770000000000001,2.34e-08,0.0229,0.151
1961,0.102,2.4499999999999998e-08,0.023899999999999998,0.134
1962,0.105,2.55e-08,0.025,0.149
1963,0.108,2.65e-08,0.026199999999999998,0.16
1964,0.112,2.7399999999999997e-08,0.027399999999999997,0.159
1965,0.115,2.84e-08,0.0286,0.164
1966,0.119,2.95e-08,0.0299,0.182
1967,0.124,3.0800000000000004e-08,0.031100000000000003,0.186
1968,0.129,3.22e-08,0.0324,0.189
1969,0.136,3.39e-08,0.033600000000000005,0.187
1970,0.215,3.2799999999999996e-08,0.0344,0.189
1971,0.126,3.5099999999999997e-08,0.0354,0.179
1972,0.126,3.7400000000000004e-08,0.0364,0.188
1973,0.256,4.2299999999999995e-08,0.037399999999999996,0.188
1974,0.245,4.2299999999999995e-08,0.0384,0.195
1975,0.225,3.69e-08,0.0394,0.203
1976,0.242,4.39e-08,0.0405,0.208
1977,0.265,4.63e-08,0.0416,0.21
1978,0.272,4.8999999999999995e-08,0.0429,0.209
1979,0.331,5.29e-08,0.044,0.22
1980,0.301,4.7e-08,0.0451,0.233
1981,0.288,5.02e-08,0.0461,0.242
1982,0.273,5.08e-08,0.0471,0.247
1983,0.274,5.1700000000000006e-08,0.0482,0.241
1984,0.31,5.51e-08,0.0498,0.269
1985,0.388,5.8100000000000004e-08,0.051,0.276
1986,0.465,5.5800000000000003e-08,0.0525,0.295
1987,0.244,6.169999999999999e-08,0.053899999999999997,0.314
1988,0.494,6.5e-08,0.0551,0.324
1989,0.595,6.19e-08,0.056,0.336
1990,0.593,6.550000000000001e-08,0.0572,0.347
1991,0.504,6.46e-08,0.0586,0.343
1992,0.487,6.880000000000001e-08,0.06,0.376
1993,0.537,6.370000000000001e-08,0.061399999999999996,0.394
1994,0.49,7.47e-08,0.0629,0.409
1995,0.476,7.29e-08,0.06420000000000001,0.414
1996,0.488,7.459999999999999e-08,0.066,0.426
1997,0.424,7.62e-08,0.06659999999999999,0.445
1998,0.353,7.79e-08,0.0683,0.41
1999,0.305,7.949999999999999e-08,0.0698,0.418
2000,0.255,8.12e-08,0.0711,0.365
2001,0.268,8.29e-08,0.0727,0.392
2002,0.248,8.45e-08,0.07390000000000001,0.404
2003,0.268,8.619999999999999e-08,0.07479999999999999,0.399
2004,0.281,8.78e-08,0.0768,0.419
2005,0.297,8.949999999999999e-08,0.0778,0.403
2006,0.294,9.12e-08,0.07890000000000001,0.403
2007,0.296,9.280000000000001e-08,0.0809,0.391
2008,0.31,9.45e-08,0.081,0.391
2009,0.327,9.610000000000001e-08,0.082,0.418
2010,0.354,9.78e-08,0.0833,0.423
2011,0.334,9.950000000000001e-08,0.0856,0.416
2012,0.323,1.01e-07,0.0864,0.414
2013,0.325,1.03e-07,0.0879,0.415
2014,0.394,1.0399999999999999e-07,0.0896,0.371
2015,0.409,1.06e-07,0.0911,0.344
2016,0.389,1.08e-07,0.09179999999999999,0.343
2017,0.398,1.0900000000000001e-07,0.09309999999999999,0.343
2018,0.407,1.11e-07,0.09440000000000001,0.322