year,IPC1,IPC2,IPCMAG
1850,0.00309,0.000312,9.090000000000001e-06
1851,0.00326,0.000328,9.57e-06
1852,0.0034300000000000003,0.00034599999999999995,1.01e-05
1853,0.00362,0.000365,1.06e-05
1854,0.00382,0.00038500000000000003,1.12e-05
1855,0.004030000000000001,0.000406,1.18e-05
1856,0.00425,0.000428,1.25e-05
1857,0.0044800000000000005,0.000451,1.32e-05
1858,0.00471,0.000475,1.3899999999999999e-05
1859,0.00496,0.0005,1.46e-05
1860,0.00521,0.0005250000000000001,1.53e-05
1861,0.00547,0.0005520000000000001,1.61e-05
1862,0.00575,0.000579,1.6899999999999997e-05
1863,0.00604,0.000608,1.77e-05
1864,0.00634,0.000638,1.8599999999999998e-05
1865,0.0066500000000000005,0.00067,1.95e-05
1866,0.00698,0.000703,2.05e-05
1867,0.00732,0.0007379999999999999,2.1499999999999997e-05
1868,0.007679999999999999,0.0007740000000000001,2.2599999999999997e-05
1869,0.00805,0.0008110000000000001,2.37e-05
1870,0.00844,0.00085,2.48e-05
1871,0.00885,0.000891,2.6e-05
1872,0.00928,0.0009350000000000001,2.7300000000000003e-05
1873,0.00975,0.000982,2.86e-05
1874,0.010199999999999999,0.00103,3.01e-05
1875,0.0107,0.00108,3.16e-05
1876,0.011300000000000001,0.00114,3.31e-05
1877,0.011800000000000001,0.0011899999999999999,3.47e-05
1878,0.0124,0.00125,3.63e-05
1879,0.0129,0.0013,3.8e-05
1880,0.0135,0.00136,3.9699999999999996e-05
1881,0.0141,0.0014199999999999998,4.15e-05
1882,0.0147,0.00148,4.32e-05
1883,0.015300000000000001,0.00155,4.51e-05
1884,0.016,0.00161,4.7e-05
1885,0.0167,0.0016799999999999999,4.8899999999999996e-05
1886,0.0174,0.00175,5.1e-05
1887,0.0181,0.00182,5.31e-05
1888,0.0188,0.0019,5.53e-05
1889,0.019600000000000003,0.00197,5.75e-05
1890,0.0214,0.0019399999999999999,6.29e-05
1891,0.0222,0.0019399999999999999,6.510000000000001e-05
1892,0.023,0.0019399999999999999,6.759999999999999e-05
1893,0.023899999999999998,0.0019399999999999999,7.03e-05
1894,0.0249,0.0019399999999999999,7.31e-05
1895,0.0259,0.0019399999999999999,7.61e-05
1896,0.027,0.0019399999999999999,7.92e-05
1897,0.0281,0.0019399999999999999,8.25e-05
1898,0.0292,0.0019399999999999999,8.59e-05
1899,0.0304,0.0019399999999999999,8.939999999999999e-05
1900,0.0317,0.0019399999999999999,9.3e-05
1901,0.033,0.0019399999999999999,9.71e-05
1902,0.0346,0.0019399999999999999,0.000102
1903,0.0363,0.0019399999999999999,0.000107
1904,0.0381,0.0019399999999999999,0.000112
1905,0.04,0.00195,0.00011700000000000001
1906,0.0418,0.00195,0.000123
1907,0.0435,0.00195,0.000128
1908,0.0451,0.00195,0.000132
1909,0.0465,0.00195,0.000136
1910,0.0476,0.00195,0.00014000000000000001
1911,0.0485,0.002,0.00014299999999999998
1912,0.0493,0.00213,0.000145
1913,0.0501,0.00233,0.000147
1914,0.0507,0.0025800000000000003,0.000149
1915,0.0514,0.00289,0.00015099999999999998
1916,0.052,0.0032400000000000003,0.000153
1917,0.0526,0.00361,0.000155
1918,0.0533,0.004,0.000156
1919,0.054,0.0044,0.00015900000000000002
1920,0.054799999999999995,0.0048,0.000161
1921,0.055600000000000004,0.00521,0.000163
1922,0.0564,0.005679999999999999,0.000166
1923,0.0572,0.00619,0.00016800000000000002
1924,0.058,0.00675,0.00017
1925,0.0589,0.00735,0.00017299999999999998
1926,0.0598,0.008,0.000176
1927,0.060899999999999996,0.00869,0.000179
1928,0.0621,0.00942,0.000182
1929,0.0634,0.010199999999999999,0.000186
1930,0.0649,0.011,0.000191
1931,0.0668,0.011800000000000001,0.00019600000000000002
1932,0.0692,0.0127,0.000203
1933,0.0722,0.013699999999999999,0.000212
1934,0.0757,0.0147,0.000222
1935,0.07940000000000001,0.0158,0.00023300000000000003
1936,0.0835,0.017,0.000245
1937,0.0877,0.0184,0.000258
1938,0.092,0.019899999999999998,0.00027
1939,0.0964,0.0216,0.000283
1940,0.101,0.0235,0.000296
1941,0.105,0.026,0.000308
1942,0.109,0.0294,0.000321
1943,0.114,0.033600000000000005,0.00033400000000000004
1944,0.118,0.0385,0.000348
1945,0.123,0.0438,0.00036199999999999996
1946,0.128,0.0496,0.000377
1947,0.134,0.0557,0.000393
1948,0.14,0.0619,0.00041
1949,0.146,0.0681,0.000428
1950,0.143,0.0742,0.00041999999999999996
1951,0.169,0.0803,0.000496
1952,0.161,0.0865,0.000474
1953,0.249,0.093,0.000732
1954,0.301,0.0997,0.000883
1955,0.429,0.107,0.00126
1956,0.33,0.114,0.000969
1957,0.312,0.122,0.000916
1958,0.348,0.13,0.00102
1959,0.429,0.139,0.00126
1960,0.693,0.149,0.00204
1961,1.2,0.159,0.00352
1962,1.05,0.169,0.00307
1963,1.47,0.18,0.00431
1964,0.66,0.192,0.0019399999999999999
1965,1.02,0.206,0.00298
1966,2.63,0.22,0.007719999999999999
1967,18.5,0.236,0.0072
1968,30.1,0.253,0.00875
1969,35.5,0.305,0.0189
1970,32.3,0.314,0.0143
1971,21.6,0.306,0.025
1972,15.2,0.3,0.0222
1973,14.5,0.32,0.0222
1974,9.1,0.53,0.024300000000000002
1975,11.3,0.595,0.027899999999999998
1976,17.2,1.02,0.039799999999999995
1977,19.0,1.52,0.040299999999999996
1978,19.6,2.03,0.0448
1979,24.4,2.16,0.054200000000000005
1980,25.3,2.19,0.0682
1981,27.2,2.17,0.0691
1982,28.8,2.76,0.0536
1983,27.9,3.72,0.06509999999999999
1984,25.6,4.44,0.06409999999999999
1985,28.2,4.82,0.0594
1986,33.0,2.69,0.0627
1987,31.2,2.98,0.0693
1988,35.0,2.67,0.045899999999999996
1989,36.0,2.66,0.0538
1990,35.4,2.61,0.06
1991,41.7,2.52,0.0291
1992,36.1,2.52,0.024300000000000002
1993,37.8,2.5,0.0334
1994,42.2,3.69,0.0202
1995,44.4,3.8,0.0288
1996,42.4,4.02,0.0149
1997,43.7,3.61,0.0235
1998,44.0,3.85,0.0185
1999,43.1,3.92,0.0325
2000,45.6,3.96,0.0202
2001,46.6,3.8,0.0308
2002,46.2,4.02,0.0228
2003,47.4,4.22,0.016399999999999998
2004,48.6,4.3,0.0211
2005,50.3,4.37,0.0257
2006,50.6,4.89,0.0258
2007,47.4,4.77,0.026
2008,53.3,4.64,0.0261
2009,54.7,5.32,0.026199999999999998
2010,58.5,5.64,0.022
2011,38.0,3.31,0.0228
2012,51.7,2.99,0.0205
2013,55.3,1.95,0.0147
2014,56.0,2.24,0.0066
2015,50.1,2.11,0.0066
2016,47.5,1.96,0.0066
2017,52.3,2.09,0.0066
2018,45.1,1.49,0.0066