year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00073,1.08e-06,0.0205,0.040600000000000004
1851,0.000734,1.17e-06,0.0207,0.040600000000000004
1852,0.000746,1.2700000000000001e-06,0.021,0.040600000000000004
1853,0.0007650000000000001,1.39e-06,0.0213,0.040600000000000004
1854,0.000791,1.52e-06,0.0215,0.040600000000000004
1855,0.000824,1.66e-06,0.0218,0.040600000000000004
1856,0.000864,1.81e-06,0.022,0.040600000000000004
1857,0.000911,1.98e-06,0.0223,0.0407
1858,0.000964,2.15e-06,0.0225,0.0407
1859,0.00102,2.34e-06,0.022699999999999998,0.0407
1860,0.00109,2.5300000000000003e-06,0.0229,0.040799999999999996
1861,0.00116,2.74e-06,0.0232,0.040799999999999996
1862,0.00124,2.95e-06,0.023399999999999997,0.0409
1863,0.00132,3.18e-06,0.0235,0.0409
1864,0.00141,3.41e-06,0.0237,0.041
1865,0.00151,3.66e-06,0.023899999999999998,0.041
1866,0.00161,3.910000000000001e-06,0.0241,0.041100000000000005
1867,0.00171,4.17e-06,0.024300000000000002,0.0412
1868,0.00182,4.440000000000001e-06,0.0245,0.0412
1869,0.0019299999999999999,4.71e-06,0.0247,0.041299999999999996
1870,0.0020499999999999997,5e-06,0.025,0.0414
1871,0.00218,5.29e-06,0.0252,0.0415
1872,0.0023,5.58e-06,0.0255,0.0415
1873,0.0024300000000000003,5.89e-06,0.0258,0.0416
1874,0.00257,6.2e-06,0.026199999999999998,0.0417
1875,0.00271,6.519999999999999e-06,0.0265,0.0418
1876,0.00285,6.84e-06,0.0268,0.0419
1877,0.003,7.16e-06,0.0272,0.042
1878,0.00314,7.499999999999999e-06,0.027600000000000003,0.0421
1879,0.0033,7.83e-06,0.027899999999999998,0.0422
1880,0.0034500000000000004,8.17e-06,0.028300000000000002,0.0423
1881,0.00361,8.52e-06,0.0286,0.0424
1882,0.00377,8.87e-06,0.029,0.0425
1883,0.00393,9.220000000000002e-06,0.0293,0.0426
1884,0.00409,9.58e-06,0.0297,0.0427
1885,0.00426,9.93e-06,0.030100000000000002,0.0429
1886,0.00442,1.03e-05,0.0305,0.043
1887,0.0045899999999999995,1.07e-05,0.0308,0.0431
1888,0.0047599999999999995,1.1e-05,0.0312,0.0432
1889,0.0049299999999999995,1.1400000000000001e-05,0.0316,0.0433
1890,0.00536,1.78e-05,0.032100000000000004,0.046200000000000005
1891,0.00555,1.9e-05,0.0322,0.0436
1892,0.00574,2.06e-05,0.0322,0.041
1893,0.00595,2.24e-05,0.032299999999999995,0.0386
1894,0.00617,2.44e-05,0.032299999999999995,0.0364
1895,0.0064,2.6700000000000002e-05,0.0325,0.0344
1896,0.00664,2.91e-05,0.032600000000000004,0.0327
1897,0.006889999999999999,3.17e-05,0.0327,0.0313
1898,0.00714,3.4500000000000005e-05,0.0329,0.030199999999999998
1899,0.0074,3.74e-05,0.033100000000000004,0.0296
1900,0.00767,4.04e-05,0.0332,0.0294
1901,0.007980000000000001,4.39e-05,0.0335,0.0295
1902,0.00834,4.82e-05,0.0339,0.0297
1903,0.00873,5.31e-05,0.0344,0.0299
1904,0.00915,5.84e-05,0.035,0.030199999999999998
1905,0.00956,6.379999999999999e-05,0.0356,0.0305
1906,0.00996,6.92e-05,0.0364,0.030899999999999997
1907,0.0103,7.439999999999999e-05,0.037200000000000004,0.0313
1908,0.0106,7.91e-05,0.0381,0.0318
1909,0.0109,8.309999999999999e-05,0.039,0.032299999999999995
1910,0.011,8.62e-05,0.0399,0.0329
1911,0.011,8.86e-05,0.041,0.0345
1912,0.011,9.070000000000001e-05,0.0423,0.037700000000000004
1913,0.0109,9.25e-05,0.0437,0.0424
1914,0.0108,9.42e-05,0.045399999999999996,0.0482
1915,0.0107,9.57e-05,0.0471,0.055
1916,0.0105,9.719999999999999e-05,0.0489,0.0625
1917,0.0104,9.88e-05,0.0507,0.0705
1918,0.0103,0.0001,0.052399999999999995,0.07859999999999999
1919,0.0103,0.000102,0.0541,0.0867
1920,0.0104,0.000104,0.0557,0.0945
1921,0.0105,0.000107,0.0571,0.103
1922,0.0106,0.00010899999999999999,0.0585,0.114
1923,0.0109,0.000112,0.0598,0.127
1924,0.0111,0.000114,0.0611,0.14
1925,0.0114,0.00011700000000000001,0.062299999999999994,0.153
1926,0.011699999999999999,0.00011999999999999999,0.0637,0.165
1927,0.012,0.000124,0.065,0.176
1928,0.0124,0.000127,0.0665,0.185
1929,0.0127,0.000131,0.0681,0.191
1930,0.013,0.000135,0.0698,0.193
1931,0.0134,0.00014000000000000001,0.0717,0.19
1932,0.014,0.000146,0.07390000000000001,0.184
1933,0.0147,0.000153,0.0762,0.173
1934,0.0155,0.00016,0.0787,0.161
1935,0.016300000000000002,0.00016800000000000002,0.0813,0.148
1936,0.0171,0.000176,0.084,0.134
1937,0.0178,0.000184,0.0867,0.122
1938,0.0184,0.000192,0.0896,0.112
1939,0.0189,0.0002,0.09240000000000001,0.105
1940,0.0193,0.000207,0.0953,0.103
1941,0.019600000000000003,0.000213,0.09820000000000001,0.105
1942,0.0201,0.000219,0.101,0.112
1943,0.0207,0.000224,0.104,0.121
1944,0.0214,0.000229,0.107,0.133
1945,0.0223,0.00023400000000000002,0.11,0.147
1946,0.0232,0.00023899999999999998,0.114,0.161
1947,0.0241,0.000245,0.117,0.174
1948,0.0251,0.000252,0.121,0.187
1949,0.0261,0.00026000000000000003,0.124,0.197
1950,0.027,0.00026900000000000003,0.128,0.203
1951,0.0281,0.00028100000000000005,0.132,0.208
1952,0.0295,0.000297,0.137,0.213
1953,0.0312,0.000317,0.141,0.217
1954,0.033100000000000004,0.00034,0.146,0.22
1955,0.035,0.000365,0.151,0.224
1956,0.036899999999999995,0.000391,0.156,0.227
1957,0.0386,0.00041799999999999997,0.161,0.23
1958,0.0402,0.00044500000000000003,0.167,0.232
1959,0.0414,0.000472,0.172,0.235
1960,0.0422,0.000497,0.176,0.238
1961,0.0425,0.000521,0.181,0.24
1962,0.0424,0.000544,0.187,0.255
1963,0.042,0.0005669999999999999,0.192,0.25
1964,0.0415,0.0005909999999999999,0.197,0.244
1965,0.041,0.000615,0.203,0.249
1966,0.0405,0.00064,0.208,0.243
1967,0.040299999999999996,0.000666,0.212,0.235
1968,0.040299999999999996,0.000694,0.217,0.232
1969,0.04,0.0006540000000000001,0.217,0.224
1970,0.0412,0.000637,0.22,0.218
1971,0.041299999999999996,0.000601,0.23,0.226
1972,0.0415,0.0006450000000000001,0.233,0.238
1973,0.0456,0.000609,0.237,0.238
1974,0.0441,0.000531,0.244,0.238
1975,0.046700000000000005,0.000544,0.248,0.25
1976,0.0425,0.00051,0.254,0.263
1977,0.0434,0.000446,0.256,0.263
1978,0.09509999999999999,0.0004,0.258,0.267
1979,0.101,0.000431,0.262,0.271
1980,0.105,0.00038700000000000003,0.265,0.277
1981,0.102,0.000399,0.267,0.276
1982,0.107,0.000364,0.269,0.279
1983,0.104,0.00035,0.27,0.277
1984,0.103,0.000388,0.272,0.277
1985,0.09559999999999999,0.00041099999999999996,0.272,0.269
1986,0.103,0.000406,0.271,0.26
1987,0.101,0.000342,0.27,0.257
1988,0.09259999999999999,0.00032,0.275,0.249
1989,0.0906,0.000306,0.273,0.244
1990,0.07909999999999999,0.000205,0.307,0.236
1991,0.0584,0.00016,0.402,0.224
1992,0.0653,0.00014099999999999998,0.394,0.195
1993,0.063,0.00016800000000000002,0.41,0.151
1994,0.0591,0.000246,0.348,0.122
1995,0.0591,0.000268,0.263,0.112
1996,0.0601,0.00027100000000000003,0.262,0.114
1997,0.0582,0.00028100000000000005,0.259,0.104
1998,0.0583,0.000317,0.255,0.105
1999,0.0496,0.00038500000000000003,0.25,0.11
2000,0.049,0.00032900000000000003,0.245,0.109
2001,0.0479,0.000266,0.244,0.102
2002,0.05,0.000299,0.24,0.08929999999999999
2003,0.0525,0.00033600000000000004,0.237,0.0945
2004,0.051,0.000319,0.237,0.096
2005,0.048799999999999996,0.000331,0.236,0.09240000000000001
2006,0.0498,0.000328,0.238,0.0874
2007,0.0497,0.000325,0.236,0.0892
2008,0.0503,0.000279,0.232,0.0851
2009,0.045700000000000005,0.000263,0.232,0.0805
2010,0.0485,0.000262,0.228,0.0756
2011,0.0564,0.000266,0.227,0.07579999999999999
2012,0.0531,0.000263,0.222,0.0761
2013,0.048299999999999996,0.000261,0.21,0.0717
2014,0.0484,0.000262,0.206,0.07579999999999999
2015,0.0518,0.000261,0.219,0.07440000000000001
2016,0.0499,0.00028000000000000003,0.211,0.0734
2017,0.0533,0.000279,0.195,0.0733
2018,0.0494,0.00027600000000000004,0.19,0.0711