year,IPC1,IPC2,IPCMAG
1850,0.0007700000000000001,0.0,2.55e-05
1851,0.000933,0.0,3.09e-05
1852,0.00123,0.0,4.06e-05
1853,0.0016,0.0,5.2900000000000005e-05
1854,0.00198,0.0,6.57e-05
1855,0.00234,0.0,7.73e-05
1856,0.00267,0.0,8.83e-05
1857,0.003,0.0,9.93e-05
1858,0.00328,0.0,0.00010899999999999999
1859,0.00348,0.0,0.000115
1860,0.005059999999999999,0.0,0.00016800000000000002
1861,0.00633,0.0,0.00020999999999999998
1862,0.00574,0.0,0.00019
1863,0.0063,0.0,0.000208
1864,0.00728,0.0,0.000241
1865,0.0071600000000000006,0.0,0.000237
1866,0.0201,0.0,0.000665
1867,0.023399999999999997,0.0,0.000776
1868,0.0216,0.0,0.0007149999999999999
1869,0.027800000000000002,0.0,0.00092
1870,0.0299,0.0,0.000988
1871,0.0384,0.0,0.00127
1872,0.039700000000000006,0.0,0.00131
1873,0.0415,0.0,0.0013700000000000001
1874,0.053,0.0,0.00176
1875,0.06609999999999999,0.0,0.00219
1876,0.08940000000000001,0.0,0.00296
1877,0.103,0.0,0.00342
1878,0.131,0.0,0.00433
1879,0.146,0.0,0.0048200000000000005
1880,0.168,0.0,0.00557
1881,0.201,0.0,0.00666
1882,0.215,0.0,0.0071200000000000005
1883,0.241,0.0,0.007980000000000001
1884,0.298,0.0,0.009869999999999999
1885,0.356,0.0,0.011800000000000001
1886,0.368,0.0,0.012199999999999999
1887,0.438,0.0,0.0145
1888,0.468,0.0,0.0155
1889,0.48,0.0,0.0159
1890,0.566,0.0,0.0189
1891,0.671,0.0,0.0224
1892,0.704,0.0,0.023399999999999997
1893,0.83,0.0,0.027600000000000003
1894,0.788,0.0,0.0261
1895,1.02,0.0,0.0339
1896,1.02,0.0,0.0339
1897,1.17,0.0,0.038799999999999994
1898,1.31,0.0,0.0437
1899,1.43,0.0,0.0479
1900,1.66,0.0,0.0554
1901,1.81,0.0,0.060700000000000004
1902,1.72,0.0,0.0577
1903,1.59,0.0,0.0533
1904,1.69,0.0,0.0567
1905,1.33,0.0,0.0445
1906,1.51,0.0,0.0506
1907,1.63,0.0,0.0546
1908,1.64,0.0,0.054799999999999995
1909,1.74,0.0,0.0584
1910,1.77,0.0,0.0592
1911,1.73,0.000306,0.0579
1912,1.83,0.0011799999999999998,0.0615
1913,1.86,0.00254,0.0625
1914,1.82,0.00433,0.0613
1915,1.86,0.0064800000000000005,0.0627
1916,1.98,0.0089,0.0669
1917,1.78,0.0115,0.060200000000000004
1918,0.744,0.0143,0.0249
1919,0.799,0.0172,0.0269
1920,0.711,0.02,0.023899999999999998
1921,0.716,0.023,0.024
1922,0.876,0.0265,0.0294
1923,0.979,0.0304,0.032799999999999996
1924,1.07,0.0347,0.0356
1925,1.11,0.0394,0.037
1926,1.42,0.0444,0.047200000000000006
1927,1.72,0.0736,0.0574
1928,1.77,0.0773,0.0588
1929,2.06,0.0884,0.0685
1930,3.4,0.103,0.114
1931,4.1,0.112,0.138
1932,4.11,0.121,0.138
1933,4.31,0.121,0.145
1934,5.0,0.139,0.168
1935,5.42,0.159,0.182
1936,6.02,0.185,0.203
1937,6.24,0.192,0.21
1938,6.6,0.206,0.222
1939,6.66,0.217,0.224
1940,7.34,0.226,0.247
1941,6.98,0.237,0.235
1942,5.94,0.236,0.199
1943,6.04,0.234,0.203
1944,7.14,0.233,0.24
1945,5.11,0.233,0.171
1946,5.79,0.263,0.194
1947,6.98,0.291,0.235
1948,7.59,0.327,0.255
1949,8.71,0.361,0.293
1950,9.73,0.41,0.328
1951,10.5,0.467,0.354
1952,11.6,0.546,0.389
1953,12.5,0.647,0.421
1954,13.8,0.777,0.464
1955,15.9,0.925,0.534
1956,18.1,1.07,0.608
1957,20.4,1.24,0.684
1958,22.6,1.42,0.76
1959,24.6,1.6,0.825
1960,26.6,1.8,0.893
1961,28.7,1.98,0.963
1962,31.7,2.18,1.06
1963,34.9,2.36,1.17
1964,37.9,2.55,1.27
1965,40.8,2.78,1.36
1966,43.6,3.01,1.46
1967,47.0,3.22,1.57
1968,49.7,3.4,1.66
1969,52.8,3.57,1.77
1970,56.3,3.69,1.73
1971,60.1,3.85,1.8
1972,64.3,4.02,1.85
1973,68.3,4.15,1.9
1974,72.5,4.31,1.96
1975,76.7,4.53,2.01
1976,79.5,4.74,2.03
1977,82.6,4.85,2.05
1978,89.1,4.95,2.09
1979,90.5,5.02,2.11
1980,93.1,5.07,2.14
1981,94.2,5.07,2.2
1982,95.7,5.22,2.27
1983,97.0,5.36,2.32
1984,97.3,5.35,2.36
1985,101.0,5.4,2.41
1986,101.0,5.79,2.46
1987,105.0,5.85,2.52
1988,107.0,5.85,2.52
1989,106.0,5.7,2.51
1990,101.0,5.51,2.51
1991,100.0,5.12,2.38
1992,86.6,4.67,2.22
1993,76.1,3.51,2.12
1994,64.6,3.31,2.03
1995,60.4,3.12,1.95
1996,59.7,3.16,1.91
1997,58.9,3.11,1.82
1998,57.3,3.44,1.65
1999,55.3,3.56,1.58
2000,53.1,3.47,1.51
2001,52.0,3.54,1.43
2002,51.5,3.88,1.34
2003,52.5,3.86,1.27
2004,57.0,4.11,1.2
2005,57.8,4.34,1.2
2006,60.5,4.56,1.21
2007,58.8,4.68,1.21
2008,61.2,4.86,1.01
2009,59.2,4.93,0.939
2010,61.0,5.11,1.01
2011,62.0,5.31,0.936
2012,61.0,5.55,0.878
2013,61.4,5.73,0.991
2014,60.8,6.17,0.785
2015,56.4,5.86,0.805
2016,56.8,5.75,0.737
2017,58.0,5.82,0.7
2018,62.2,5.77,0.666