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
1858,0.0,0.0,0.0,0.0
1859,0.0,0.0,0.0,0.0
1860,0.0,0.0,0.0,0.0
1861,0.0,0.0,0.0,0.0
1862,0.0,0.0,0.0,0.0
1863,0.0,0.0,0.0,0.0
1864,0.0,0.0,0.0,0.0
1865,0.0,0.0,0.0,0.0
1866,0.0,0.0,0.0,0.0
1867,0.0,0.0,0.0,0.0
1868,0.0,0.0,0.0,0.0
1869,0.0,0.0,0.0,0.0
1870,0.0,0.0,0.0,0.0
1871,0.0,0.0,0.0,0.0
1872,0.0,0.0,0.0,0.0
1873,0.0,0.0,0.0,0.0
1874,0.0,0.0,0.0,0.0
1875,0.0,0.0,0.0,0.0
1876,0.0,0.0,0.0,0.0
1877,0.0,0.0,0.0,0.0
1878,0.0,0.0,0.0,0.0
1879,0.0,0.0,0.0,0.0
1880,0.0,0.0,0.0,0.0
1881,0.00367,0.0522,7.13e-07,8.47e-06
1882,0.00367,0.0522,7.13e-07,8.47e-06
1883,0.00734,0.104,1.43e-06,1.6899999999999997e-05
1884,0.011,0.157,2.14e-06,2.5399999999999997e-05
1885,0.00734,0.104,1.43e-06,1.6899999999999997e-05
1886,0.00734,0.104,1.43e-06,1.6899999999999997e-05
1887,0.011,0.157,2.14e-06,2.5399999999999997e-05
1888,0.0184,0.261,3.5699999999999997e-06,4.24e-05
1889,0.0257,0.365,4.99e-06,5.93e-05
1890,0.033,0.241,6.42e-06,7.630000000000001e-05
1891,0.0404,0.241,7.85e-06,9.32e-05
1892,0.047700000000000006,0.241,9.270000000000001e-06,0.00011
1893,0.0624,0.241,1.21e-05,0.00014399999999999998
1894,0.08070000000000001,0.242,1.57e-05,0.000186
1895,0.0844,0.242,1.6400000000000002e-05,0.000195
1896,0.106,0.242,2.07e-05,0.000246
1897,0.11,0.242,2.14e-05,0.000254
1898,0.147,0.243,2.85e-05,0.000339
1899,0.147,0.243,2.85e-05,0.000339
1900,0.216,0.243,4.21e-05,0.0005
1901,0.271,0.244,5.28e-05,0.000627
1902,0.238,0.244,4.6399999999999996e-05,0.0005510000000000001
1903,0.235,0.245,4.57e-05,0.0005420000000000001
1904,0.301,0.245,5.8500000000000006e-05,0.000695
1905,0.36,0.246,6.99e-05,0.00083
1906,0.316,0.246,6.13e-05,0.0007289999999999999
1907,0.455,0.247,8.840000000000001e-05,0.0010500000000000002
1908,0.598,0.247,0.000116,0.00138
1909,0.605,0.248,0.000118,0.0014
1910,0.635,0.249,0.000123,0.00147
1911,0.899,0.25,0.000175,0.0020800000000000003
1912,0.899,0.25,0.000175,0.0020800000000000003
1913,0.789,0.251,0.000153,0.00182
1914,1.18,0.252,0.00023,0.0027400000000000002
1915,0.763,0.253,0.000148,0.00176
1916,0.924,0.254,0.00017999999999999998,0.00214
1917,1.14,0.255,0.000222,0.00264
1918,1.42,0.256,0.000277,0.00329
1919,0.836,0.257,0.000163,0.0019299999999999999
1920,1.1,0.259,0.000214,0.00254
1921,1.37,0.26,0.000266,0.00316
1922,1.51,0.262,0.000294,0.00349
1923,1.61,0.263,0.000312,0.0037099999999999998
1924,1.84,0.265,0.000359,0.00426
1925,1.81,0.267,0.000352,0.00419
1926,1.78,0.269,0.000347,0.00412
1927,1.82,0.271,0.000354,0.004200000000000001
1928,2.09,0.328,0.000406,0.0048200000000000005
1929,2.41,0.352,0.00046899999999999996,0.00557
1930,2.32,0.366,0.000451,0.00536
1931,2.23,0.332,0.000433,0.00514
1932,2.57,0.353,0.0005,0.00594
1933,2.29,0.345,0.00044500000000000003,0.00529
1934,2.39,0.348,0.000464,0.00552
1935,2.42,0.344,0.00047099999999999996,0.0056
1936,2.46,0.351,0.000479,0.005690000000000001
1937,2.73,0.367,0.00053,0.0063
1938,3.08,0.394,0.0006,0.00713
1939,3.4,0.399,0.000661,0.00785
1940,4.1,0.401,0.000798,0.00948
1941,4.43,0.404,0.000861,0.010199999999999999
1942,5.35,0.412,0.0010400000000000001,0.0124
1943,5.82,0.423,0.00113,0.0134
1944,4.33,0.437,0.000842,0.01
1945,5.09,0.518,0.000991,0.011800000000000001
1946,4.98,0.558,0.000969,0.0115
1947,5.92,0.601,0.00115,0.013699999999999999
1948,6.07,0.646,0.0011799999999999998,0.014
1949,7.46,0.521,0.00145,0.0172
1950,7.2,0.857,0.0014,0.0166
1951,7.86,0.921,0.0015300000000000001,0.0182
1952,9.1,1.01,0.00177,0.021
1953,10.2,1.11,0.00199,0.0237
1954,11.0,1.25,0.00214,0.0255
1955,11.7,1.37,0.00228,0.027
1956,12.6,1.52,0.00244,0.029
1957,14.0,1.65,0.00272,0.032299999999999995
1958,15.2,1.8,0.0029500000000000004,0.0351
1959,18.9,2.17,0.00368,0.0437
1960,21.5,2.36,0.00418,0.0497
1961,25.1,2.56,0.00488,0.058
1962,29.8,2.74,0.0058,0.0688
1963,33.3,3.02,0.0064800000000000005,0.077
1964,41.6,3.33,0.00809,0.09609999999999999
1965,45.0,3.5,0.00875,0.104
1966,47.3,3.72,0.009210000000000001,0.109
1967,53.5,4.1,0.0104,0.124
1968,57.8,4.33,0.0112,0.134
1969,64.6,4.49,0.0126,0.149
1970,59.7,4.89,0.011699999999999999,0.146
1971,62.6,4.82,0.011699999999999999,0.128
1972,64.4,4.77,0.011699999999999999,0.135
1973,66.8,4.85,0.011699999999999999,0.136
1974,69.2,4.94,0.011699999999999999,0.14
1975,71.0,5.19,0.011699999999999999,0.128
1976,71.1,5.79,0.011699999999999999,0.145
1977,73.7,6.02,0.011699999999999999,0.11
1978,79.3,5.66,0.011699999999999999,0.125
1979,76.6,5.82,0.011699999999999999,0.15
1980,75.1,5.9,0.011699999999999999,0.141
1981,77.8,5.98,0.011699999999999999,0.166
1982,87.7,6.44,0.011699999999999999,0.155
1983,88.1,6.61,0.011699999999999999,0.135
1984,85.4,6.76,0.011699999999999999,0.0846
1985,87.8,6.53,0.011699999999999999,0.119
1986,89.8,6.5,0.011699999999999999,0.124
1987,89.6,6.19,0.011699999999999999,0.122
1988,85.0,6.95,0.011800000000000001,0.133
1989,84.5,6.58,0.011800000000000001,0.116
1990,72.3,5.99,0.011300000000000001,0.0978
1991,56.6,5.23,0.0115,0.0676
1992,53.6,4.61,0.0108,0.0515
1993,68.2,4.27,0.0116,0.0183
1994,54.1,5.31,0.011800000000000001,0.0176
1995,57.5,5.67,0.0119,0.00184
1996,56.4,5.56,0.011699999999999999,0.020300000000000002
1997,51.7,4.13,0.011800000000000001,0.0193
1998,48.7,2.99,0.0201,0.0105
1999,43.9,3.08,0.016300000000000002,0.0124
2000,43.3,3.62,0.0363,0.014199999999999999
2001,46.1,3.05,0.0229,0.0179
2002,44.1,2.92,0.0223,0.00777
2003,47.0,3.08,0.0252,0.00894
2004,45.7,3.25,0.040299999999999996,0.00879
2005,46.5,3.72,0.0314,0.012
2006,47.3,3.48,0.0295,0.0081
2007,50.8,3.91,0.0195,0.012
2008,48.6,3.78,0.024399999999999998,0.0157
2009,41.4,2.53,0.019100000000000002,0.018
2010,43.3,2.54,0.00752,0.00958
2011,48.6,2.82,0.00533,0.0129
2012,44.3,2.73,0.0114,0.0154
2013,39.1,2.71,0.0225,0.026
2014,42.0,2.77,0.00638,0.0329
2015,44.6,2.95,0.0057,0.0363
2016,41.8,3.04,0.00534,0.0335
2017,44.4,3.09,0.005,0.033600000000000005
2018,41.3,3.05,0.00468,0.033600000000000005