year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00547,2.3e-06,0.0974,0.0755
1851,0.0054800000000000005,2.63e-06,0.0986,0.0756
1852,0.00552,2.97e-06,0.0999,0.0757
1853,0.00558,3.3e-06,0.101,0.07590000000000001
1854,0.00567,3.65e-06,0.102,0.07629999999999999
1855,0.00578,3.99e-06,0.104,0.07659999999999999
1856,0.005900000000000001,4.35e-06,0.105,0.07709999999999999
1857,0.006059999999999999,4.7e-06,0.106,0.0777
1858,0.00623,5.060000000000001e-06,0.107,0.0783
1859,0.00642,5.420000000000001e-06,0.108,0.079
1860,0.00663,5.79e-06,0.109,0.0798
1861,0.006860000000000001,6.15e-06,0.111,0.08059999999999999
1862,0.00711,6.53e-06,0.112,0.0815
1863,0.00737,6.9e-06,0.113,0.0825
1864,0.00766,7.28e-06,0.114,0.0836
1865,0.00796,7.67e-06,0.115,0.0847
1866,0.00827,8.05e-06,0.116,0.0858
1867,0.0086,8.439999999999999e-06,0.117,0.0871
1868,0.00895,8.829999999999998e-06,0.118,0.0883
1869,0.00931,9.23e-06,0.119,0.0897
1870,0.00968,9.62e-06,0.121,0.0911
1871,0.0101,1e-05,0.122,0.0925
1872,0.0105,1.0399999999999999e-05,0.124,0.094
1873,0.0109,1.08e-05,0.125,0.0955
1874,0.011300000000000001,1.12e-05,0.127,0.09709999999999999
1875,0.011699999999999999,1.17e-05,0.128,0.0987
1876,0.012199999999999999,1.21e-05,0.13,0.1
1877,0.0126,1.25e-05,0.132,0.102
1878,0.013099999999999999,1.29e-05,0.134,0.104
1879,0.0135,1.33e-05,0.135,0.105
1880,0.014,1.3700000000000001e-05,0.137,0.107
1881,0.0145,1.4200000000000001e-05,0.139,0.109
1882,0.015,1.46e-05,0.14,0.111
1883,0.0155,1.4999999999999999e-05,0.142,0.113
1884,0.016,1.54e-05,0.144,0.115
1885,0.0165,1.59e-05,0.146,0.117
1886,0.017,1.63e-05,0.147,0.118
1887,0.0175,1.67e-05,0.149,0.12
1888,0.018,1.72e-05,0.151,0.122
1889,0.0185,1.76e-05,0.153,0.124
1890,0.0205,2.75e-05,0.155,0.105
1891,0.0214,2.94e-05,0.157,0.12
1892,0.0223,3.18e-05,0.16,0.134
1893,0.0233,3.46e-05,0.162,0.147
1894,0.024399999999999998,3.78e-05,0.165,0.159
1895,0.0255,4.13e-05,0.167,0.169
1896,0.026600000000000002,4.51e-05,0.169,0.178
1897,0.027800000000000002,4.92e-05,0.172,0.185
1898,0.029,5.3400000000000004e-05,0.174,0.19
1899,0.0303,5.79e-05,0.177,0.193
1900,0.0315,6.25e-05,0.179,0.194
1901,0.0329,6.79e-05,0.182,0.193
1902,0.0345,7.46e-05,0.184,0.19
1903,0.0363,8.21e-05,0.187,0.185
1904,0.0381,9.02e-05,0.189,0.18
1905,0.0399,9.86e-05,0.192,0.174
1906,0.0417,0.000107,0.194,0.168
1907,0.0434,0.000115,0.197,0.162
1908,0.044899999999999995,0.000122,0.199,0.157
1909,0.046299999999999994,0.000128,0.202,0.154
1910,0.047299999999999995,0.000133,0.204,0.153
1911,0.048100000000000004,0.00013700000000000002,0.207,0.153
1912,0.048799999999999996,0.00014000000000000001,0.21,0.154
1913,0.0494,0.00014299999999999998,0.213,0.154
1914,0.0499,0.000146,0.216,0.155
1915,0.0503,0.000148,0.218,0.156
1916,0.0508,0.00015,0.221,0.157
1917,0.0513,0.000153,0.224,0.159
1918,0.0518,0.000155,0.227,0.16
1919,0.0525,0.000158,0.23,0.161
1920,0.0533,0.000162,0.233,0.163
1921,0.0544,0.000165,0.236,0.165
1922,0.056,0.00016900000000000002,0.239,0.167
1923,0.0578,0.00017299999999999998,0.243,0.169
1924,0.0598,0.000177,0.246,0.172
1925,0.061799999999999994,0.00018099999999999998,0.249,0.175
1926,0.0637,0.000186,0.252,0.178
1927,0.0654,0.000191,0.255,0.182
1928,0.0668,0.00019600000000000002,0.258,0.185
1929,0.0677,0.000202,0.261,0.188
1930,0.068,0.000208,0.265,0.191
1931,0.068,0.000216,0.268,0.194
1932,0.068,0.000225,0.27,0.198
1933,0.068,0.000236,0.273,0.202
1934,0.068,0.000247,0.275,0.206
1935,0.0679,0.00026000000000000003,0.278,0.211
1936,0.0679,0.000272,0.281,0.214
1937,0.0678,0.000285,0.284,0.218
1938,0.0677,0.000298,0.287,0.22
1939,0.0677,0.000309,0.291,0.222
1940,0.0676,0.00032,0.296,0.223
1941,0.06720000000000001,0.00033,0.303,0.222
1942,0.0665,0.00033800000000000003,0.313,0.221
1943,0.0655,0.00034599999999999995,0.326,0.22
1944,0.06420000000000001,0.000354,0.341,0.218
1945,0.0629,0.00036199999999999996,0.357,0.217
1946,0.0616,0.00037,0.373,0.215
1947,0.060399999999999995,0.000379,0.389,0.214
1948,0.0594,0.00039,0.403,0.212
1949,0.0587,0.00040100000000000004,0.415,0.211
1950,0.0585,0.000415,0.425,0.211
1951,0.0586,0.000437,0.432,0.212
1952,0.0588,0.00047099999999999996,0.439,0.215
1953,0.0592,0.000513,0.447,0.219
1954,0.0596,0.0005600000000000001,0.453,0.224
1955,0.06,0.000609,0.46,0.229
1956,0.0605,0.000657,0.465,0.234
1957,0.060899999999999996,0.000699,0.47,0.239
1958,0.0613,0.000734,0.473,0.243
1959,0.0615,0.000757,0.475,0.246
1960,0.0616,0.000766,0.476,0.247
1961,0.0616,0.000766,0.476,0.228
1962,0.0616,0.000766,0.476,0.237
1963,0.0616,0.000766,0.476,0.238
1964,0.0616,0.000766,0.476,0.236
1965,0.0616,0.000766,0.476,0.224
1966,0.0616,0.000766,0.476,0.222
1967,0.0616,0.000766,0.476,0.219
1968,0.0616,0.000766,0.476,0.219
1969,0.0664,0.000758,0.476,0.2
1970,0.0619,0.0006680000000000001,0.478,0.197
1971,0.0597,0.0006360000000000001,0.494,0.194
1972,0.062200000000000005,0.0006889999999999999,0.5,0.191
1973,0.0582,0.000791,0.508,0.193
1974,0.0571,0.0008209999999999999,0.507,0.191
1975,0.0526,0.0005420000000000001,0.482,0.185
1976,0.059,0.000578,0.486,0.183
1977,0.06520000000000001,0.000609,0.484,0.179
1978,0.0696,0.000554,0.496,0.18
1979,0.0735,0.00067,0.515,0.177
1980,0.0704,0.000558,0.521,0.178
1981,0.0664,0.000528,0.525,0.177
1982,0.0587,0.000371,0.515,0.173
1983,0.0631,0.000257,0.525,0.168
1984,0.07690000000000001,0.000358,0.543,0.162
1985,0.0778,0.000367,0.545,0.159
1986,0.078,0.00036899999999999997,0.545,0.156
1987,0.0768,0.000391,0.556,0.15
1988,0.0698,0.000417,0.567,0.143
1989,0.0703,0.00044,0.57,0.138
1990,0.0717,0.000423,0.619,0.136
1991,0.0683,0.00045,0.623,0.129
1992,0.066,0.00046600000000000005,0.616,0.125
1993,0.0633,0.000501,0.622,0.124
1994,0.0613,0.000539,0.63,0.122
1995,0.0586,0.0005250000000000001,0.609,0.116
1996,0.0549,0.000523,0.574,0.116
1997,0.0517,0.000527,0.571,0.116
1998,0.0492,0.0005600000000000001,0.543,0.113
1999,0.0485,0.0005899999999999999,0.608,0.11
2000,0.049,0.000598,0.601,0.107
2001,0.0516,0.000569,0.607,0.105
2002,0.0533,0.0005719999999999999,0.579,0.104
2003,0.0557,0.000618,0.607,0.102
2004,0.073,0.000638,0.712,0.0993
2005,0.089,0.0006039999999999999,0.63,0.09820000000000001
2006,0.108,0.000617,0.708,0.0974
2007,0.124,0.000587,0.546,0.09509999999999999
2008,0.142,0.0006,0.545,0.0943
2009,0.159,0.00095,0.532,0.09359999999999999
2010,0.18,0.00206,0.543,0.09409999999999999
2011,0.193,0.00133,0.536,0.09290000000000001
2012,0.212,0.00136,0.597,0.0923
2013,0.243,0.00149,0.564,0.0925
2014,0.28,0.00163,0.533,0.09240000000000001
2015,0.323,0.0014399999999999999,0.494,0.0925
2016,0.296,0.00174,0.461,0.09190000000000001
2017,0.273,0.00181,0.436,0.0895
2018,0.265,0.0019299999999999999,0.426,0.0882