year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0,0.0,0.0,0.0
1851,0.0,0.0,0.0,0.0
1852,0.0,0.0,0.0,0.0
1853,0.0,0.0,0.0,0.0
1854,0.0,0.0,0.0,0.0
1855,0.0,0.0,0.0,0.0
1856,0.0,0.0,0.0,0.0
1857,0.0,0.0,0.0,0.0
1858,0.00373,0.00317,5.23e-08,2.13e-05
1859,0.00373,0.00317,5.23e-08,2.13e-05
1860,0.00373,0.00317,5.23e-08,2.13e-05
1861,0.00746,0.00634,1.05e-07,4.25e-05
1862,0.0112,0.00951,1.57e-07,6.379999999999999e-05
1863,0.0112,0.00951,1.57e-07,6.379999999999999e-05
1864,0.0149,0.0127,2.09e-07,8.5e-05
1865,0.0149,0.0127,2.09e-07,8.5e-05
1866,0.018600000000000002,0.0158,2.6200000000000004e-07,0.000106
1867,0.0224,0.019,3.14e-07,0.000128
1868,0.0261,0.0222,3.66e-07,0.000149
1869,0.0261,0.0222,3.66e-07,0.000149
1870,0.0373,0.0317,5.23e-07,0.000213
1871,0.041,0.0349,5.76e-07,0.00023400000000000002
1872,0.041,0.0349,5.76e-07,0.00023400000000000002
1873,0.044700000000000004,0.038,6.28e-07,0.000255
1874,0.044700000000000004,0.038,6.28e-07,0.000255
1875,0.0485,0.0412,6.800000000000001e-07,0.00027600000000000004
1876,0.0485,0.0412,6.800000000000001e-07,0.00027600000000000004
1877,0.0485,0.0412,6.800000000000001e-07,0.00027600000000000004
1878,0.0485,0.0412,6.800000000000001e-07,0.00027600000000000004
1879,0.0485,0.0412,6.800000000000001e-07,0.00027600000000000004
1880,0.0485,0.0412,6.800000000000001e-07,0.00027600000000000004
1881,0.0522,0.0444,7.32e-07,0.000298
1882,0.227,0.193,3.19e-06,0.0013
1883,0.414,0.352,5.81e-06,0.0023599999999999997
1884,0.477,0.406,6.7e-06,0.00272
1885,0.462,0.393,6.49e-06,0.00264
1886,0.492,0.418,6.910000000000001e-06,0.00281
1887,0.537,0.456,7.53e-06,0.0030600000000000002
1888,0.641,0.545,8.999999999999999e-06,0.00366
1889,0.652,0.555,9.16e-06,0.00372
1890,0.817,0.549,1.15e-05,0.00468
1891,1.13,0.55,1.6e-05,0.0065
1892,1.06,0.55,1.4999999999999999e-05,0.0060999999999999995
1893,1.15,0.55,1.62e-05,0.0065899999999999995
1894,1.06,0.551,1.49e-05,0.00604
1895,1.1,0.551,1.54e-05,0.00625
1896,1.15,0.552,1.6e-05,0.0065
1897,1.33,0.552,1.85e-05,0.00752
1898,1.75,0.553,2.44e-05,0.00993
1899,1.65,0.554,2.3e-05,0.00933
1900,1.28,0.554,1.77e-05,0.00718
1901,1.65,0.555,2.2800000000000002e-05,0.009269999999999999
1902,1.66,0.556,2.2700000000000003e-05,0.00923
1903,1.94,0.557,2.64e-05,0.0107
1904,2.31,0.558,3.13e-05,0.0127
1905,2.8,0.56,3.8e-05,0.0154
1906,3.77,0.561,5.14e-05,0.0209
1907,4.75,0.562,6.500000000000001e-05,0.0264
1908,4.6,0.564,6.27e-05,0.0255
1909,5.08,0.565,6.93e-05,0.0282
1910,5.05,0.567,6.88e-05,0.028
1911,6.0,0.569,8.25e-05,0.0335
1912,6.23,0.57,8.59e-05,0.0349
1913,7.2,0.572,9.98e-05,0.040600000000000004
1914,5.98,0.574,8.26e-05,0.0335
1915,5.33,0.576,7.35e-05,0.0299
1916,3.17,0.579,4.28e-05,0.0174
1917,2.67,0.581,3.59e-05,0.0146
1918,3.34,0.584,4.55e-05,0.0185
1919,4.81,0.587,6.66e-05,0.027100000000000003
1920,5.63,0.589,7.829999999999999e-05,0.0318
1921,6.07,0.593,8.450000000000001e-05,0.0343
1922,7.32,0.596,0.000102,0.0414
1923,8.69,0.6,0.000121,0.0492
1924,10.3,0.604,0.00014299999999999998,0.058
1925,12.0,0.608,0.00016700000000000002,0.0679
1926,14.9,0.613,0.000207,0.0842
1927,16.5,0.788,0.00023,0.0935
1928,18.5,0.786,0.000259,0.105
1929,20.8,0.785,0.00029,0.118
1930,23.5,0.831,0.00032900000000000003,0.134
1931,26.2,0.739,0.000368,0.149
1932,27.8,0.752,0.000389,0.158
1933,27.7,0.762,0.000388,0.158
1934,32.0,0.816,0.00045,0.183
1935,31.9,0.857,0.000448,0.182
1936,33.5,0.862,0.00047099999999999996,0.191
1937,28.8,0.912,0.00040300000000000004,0.164
1938,27.0,0.92,0.000378,0.154
1939,25.4,0.973,0.000356,0.145
1940,24.3,0.922,0.000339,0.138
1941,22.8,1.05,0.00031800000000000003,0.129
1942,24.0,0.956,0.000335,0.136
1943,22.4,1.04,0.000312,0.127
1944,15.4,1.02,0.000213,0.0864
1945,19.3,1.03,0.000268,0.109
1946,17.8,1.12,0.000247,0.1
1947,16.6,1.24,0.00023,0.09359999999999999
1948,23.6,1.33,0.000331,0.134
1949,23.3,1.46,0.000326,0.132
1950,19.5,1.59,0.000273,0.111
1951,22.4,1.95,0.000313,0.127
1952,26.4,2.29,0.00037,0.15
1953,30.2,2.68,0.000424,0.172
1954,33.3,2.76,0.000467,0.19
1955,36.5,3.17,0.000512,0.208
1956,40.5,3.52,0.0005679999999999999,0.231
1957,45.7,3.93,0.000639,0.26
1958,49.5,4.32,0.0006929999999999999,0.281
1959,50.3,4.74,0.000703,0.286
1960,53.0,5.1,0.000741,0.301
1961,55.2,5.49,0.000772,0.314
1962,63.3,5.85,0.000887,0.36
1963,68.5,6.56,0.0009609999999999999,0.39
1964,70.9,7.02,0.000995,0.404
1965,77.2,7.63,0.00108,0.441
1966,82.5,8.17,0.00116,0.471
1967,90.2,8.7,0.00127,0.516
1968,98.0,9.37,0.00138,0.56
1969,109.0,9.96,0.0015400000000000001,0.625
1970,118.0,10.5,0.0014,0.567
1971,123.0,11.0,0.0014,0.626
1972,129.0,11.8,0.0014,0.562
1973,142.0,12.2,0.0014,0.576
1974,147.0,13.1,0.0014,0.645
1975,158.0,13.7,0.0014,0.998
1976,170.0,15.7,0.0014,0.83
1977,173.0,16.3,0.0014,0.768
1978,189.0,17.8,0.0014,0.998
1979,190.0,18.6,0.0014,0.934
1980,191.0,17.9,0.0014,0.787
1981,192.0,17.2,0.0014,0.98
1982,190.0,18.2,0.0014,0.956
1983,196.0,17.6,0.0014,0.966
1984,185.0,18.5,0.0014,0.876
1985,191.0,17.6,0.0014,0.944
1986,198.0,19.0,0.0014,0.686
1987,207.0,18.1,0.0014,0.686
1988,207.0,18.2,0.0014,0.682
1989,209.0,17.1,0.0014,0.64
1990,171.0,12.5,0.00231,0.749
1991,138.0,8.78,0.00449,0.3
1992,127.0,8.49,0.0071200000000000005,0.253
1993,125.0,8.3,0.0106,0.296
1994,118.0,7.88,0.0141,0.188
1995,125.0,8.98,0.0175,0.184
1996,124.0,9.12,0.0224,0.208
1997,112.0,7.55,0.026,0.202
1998,99.0,6.48,0.030100000000000002,0.26
1999,87.8,6.38,0.0375,0.171
2000,88.7,7.24,0.0438,0.231
2001,95.6,7.14,0.0496,0.228
2002,96.3,7.15,0.051,0.201
2003,98.8,7.92,0.0559,0.163
2004,94.7,8.63,0.0695,0.177
2005,93.6,8.63,0.115,0.179
2006,101.0,9.39,0.029,0.202
2007,98.5,9.72,0.00644,0.234
2008,92.0,9.8,0.00464,0.249
2009,78.0,5.57,0.00342,0.222
2010,76.1,5.53,0.0038599999999999997,0.228
2011,81.3,5.95,0.00467,0.289
2012,77.6,6.01,0.00579,0.276
2013,67.2,7.66,0.006690000000000001,0.235
2014,66.1,8.13,0.0060999999999999995,0.242
2015,66.8,7.5,0.00725,0.253
2016,64.6,7.3,0.00793,0.259
2017,67.8,7.42,0.00867,0.256
2018,68.1,7.48,0.00948,0.252