year,IPC1,IPC2,IPC4,IPCMAG
1850,6.33e-05,,0.00023400000000000002,0.00735
1851,6.41e-05,,0.000235,0.0076
1852,6.48e-05,,0.000236,0.00784
1853,6.560000000000001e-05,,0.000237,0.00809
1854,6.64e-05,,0.00023799999999999998,0.00833
1855,6.72e-05,,0.00023899999999999998,0.00856
1856,6.79e-05,,0.00023999999999999998,0.0088
1857,6.88e-05,,0.000241,0.00903
1858,6.96e-05,,0.000243,0.00926
1859,7.04e-05,,0.000244,0.00949
1860,7.12e-05,,0.000245,0.009710000000000002
1861,7.199999999999999e-05,,0.000246,0.00994
1862,7.290000000000001e-05,,0.000248,0.010199999999999999
1863,7.37e-05,,0.000249,0.0104
1864,7.46e-05,,0.00025,0.0106
1865,7.539999999999999e-05,,0.000252,0.0108
1866,7.630000000000001e-05,,0.000254,0.011
1867,7.71e-05,,0.000255,0.0112
1868,7.8e-05,,0.000257,0.0114
1869,7.89e-05,,0.000259,0.011699999999999999
1870,7.98e-05,,0.00026000000000000003,0.0119
1871,8.07e-05,,0.000262,0.0121
1872,8.16e-05,,0.000264,0.0123
1873,8.25e-05,,0.000266,0.0125
1874,8.340000000000001e-05,,0.000268,0.0127
1875,8.43e-05,,0.00027100000000000003,0.0129
1876,8.52e-05,,0.000273,0.013099999999999999
1877,8.62e-05,,0.000275,0.013300000000000001
1878,8.71e-05,,0.00027800000000000004,0.0135
1879,8.8e-05,,0.00028000000000000003,0.013699999999999999
1880,8.9e-05,,0.00028199999999999997,0.013900000000000001
1881,8.989999999999999e-05,,0.000285,0.014
1882,9.080000000000001e-05,,0.000287,0.014199999999999999
1883,9.180000000000001e-05,,0.000289,0.0144
1884,9.27e-05,,0.000292,0.0146
1885,9.37e-05,,0.000294,0.0148
1886,9.470000000000001e-05,,0.000296,0.015
1887,9.56e-05,,0.000299,0.0152
1888,9.66e-05,,0.000301,0.0154
1889,9.76e-05,,0.000303,0.0156
1890,0.000108,,0.00031,0.016
1891,0.000112,,0.000313,0.016300000000000002
1892,0.000116,,0.000316,0.0165
1893,0.00011999999999999999,,0.000319,0.016800000000000002
1894,0.000125,,0.000322,0.0171
1895,0.00013000000000000002,,0.000326,0.0174
1896,0.000136,,0.00033,0.0177
1897,0.00014099999999999998,,0.00033400000000000004,0.018
1898,0.000147,,0.00033800000000000003,0.0183
1899,0.000154,,0.000342,0.018699999999999998
1900,0.00016,,0.00034599999999999995,0.019
1901,0.00016800000000000002,,0.00035,0.0193
1902,0.000177,,0.00035499999999999996,0.0197
1903,0.000187,,0.00035999999999999997,0.02
1904,0.00019800000000000002,,0.000365,0.020300000000000002
1905,0.00020999999999999998,,0.000371,0.0206
1906,0.000221,,0.000376,0.021
1907,0.000232,,0.000382,0.0214
1908,0.000242,,0.00038700000000000003,0.0219
1909,0.00025,,0.000393,0.0224
1910,0.000257,,0.000399,0.023100000000000002
1911,0.000263,,0.00040500000000000003,0.0241
1912,0.000268,,0.00041,0.0257
1913,0.000273,,0.000415,0.027800000000000002
1914,0.000277,,0.00041999999999999996,0.030199999999999998
1915,0.00028100000000000005,,0.000426,0.0329
1916,0.000285,,0.000432,0.0358
1917,0.000289,,0.000439,0.038799999999999994
1918,0.00029299999999999997,,0.000446,0.0416
1919,0.000296,,0.000455,0.0443
1920,0.0003,,0.000465,0.046799999999999994
1921,0.000304,,0.000479,0.0492
1922,0.000307,,0.000498,0.052
1923,0.00031,,0.000522,0.0549
1924,0.000313,,0.00055,0.0578
1925,0.000316,,0.0005809999999999999,0.0606
1926,0.000319,,0.000615,0.0632
1927,0.000323,,0.000652,0.0654
1928,0.00032700000000000003,,0.0006889999999999999,0.06720000000000001
1929,0.000331,,0.000728,0.0683
1930,0.00033600000000000004,,0.000767,0.0687
1931,0.00034300000000000004,,0.0008070000000000001,0.0685
1932,0.000352,,0.000851,0.0677
1933,0.000363,,0.000897,0.06659999999999999
1934,0.000376,,0.0009469999999999999,0.0653
1935,0.00039,,0.000999,0.0638
1936,0.00040500000000000003,,0.00106,0.062299999999999994
1937,0.000421,,0.00111,0.061
1938,0.000438,,0.0011799999999999998,0.0599
1939,0.00045400000000000003,,0.00124,0.0592
1940,0.00047099999999999996,,0.00131,0.0589
1941,0.000488,,0.00139,0.0635
1942,0.000506,,0.00147,0.0761
1943,0.0005250000000000001,,0.00156,0.0947
1944,0.000545,,0.00166,0.117
1945,0.000566,,0.00176,0.142
1946,0.000588,,0.0018700000000000001,0.166
1947,0.000611,,0.00198,0.189
1948,0.000634,,0.00209,0.207
1949,0.000657,,0.00221,0.22
1950,0.0006810000000000001,,0.00233,0.225
1951,0.0007059999999999999,,0.00244,0.222
1952,0.000734,,0.00256,0.216
1953,0.000763,,0.00268,0.206
1954,0.0007920000000000001,,0.0028,0.195
1955,0.0008219999999999999,,0.0029300000000000003,0.182
1956,0.000852,,0.0030600000000000002,0.169
1957,0.000882,,0.0032,0.158
1958,0.00091,,0.00335,0.148
1959,0.0009360000000000001,,0.0035099999999999997,0.142
1960,0.0009599999999999999,,0.00367,0.139
1961,0.000986,,0.00385,0.134
1962,0.00102,,0.004059999999999999,0.137
1963,0.0010500000000000002,,0.00429,0.14
1964,0.00108,,0.00453,0.143
1965,0.0011200000000000001,,0.00478,0.147
1966,0.00115,,0.005030000000000001,0.15
1967,0.0011899999999999999,,0.00528,0.155
1968,0.00122,,0.00552,0.16
1969,0.00124,,0.00574,0.14
1970,0.00155,,0.0061200000000000004,0.141
1971,0.00155,,0.00639,0.137
1972,0.00164,,0.00661,0.125
1973,0.00173,,0.006849999999999999,0.123
1974,0.0017900000000000001,,0.00709,0.104
1975,0.0019199999999999998,,0.00735,0.107
1976,0.0020299999999999997,,0.00766,0.112
1977,0.00215,,0.00796,0.117
1978,0.00232,,0.00827,0.118
1979,0.0024500000000000004,,0.00859,0.12
1980,0.00262,,0.00894,0.123
1981,0.00273,,0.00931,0.13
1982,0.0029300000000000003,,0.00968,0.134
1983,0.0030499999999999998,,0.0101,0.121
1984,0.00325,,0.0105,0.114
1985,0.0034,,0.0109,0.121
1986,0.00349,,0.011300000000000001,0.125
1987,0.0037,,0.011699999999999999,0.128
1988,0.0038900000000000002,,0.0121,0.133
1989,0.004070000000000001,,0.0125,0.139
1990,0.00555,,0.013,0.148
1991,0.0058200000000000005,,0.0134,0.153
1992,0.00615,,0.013699999999999999,0.149
1993,0.00635,,0.014,0.154
1994,0.00621,,0.0144,0.15
1995,0.00646,,0.0149,0.15
1996,0.00718,,0.0154,0.162
1997,0.00799,,0.0159,0.173
1998,0.00891,,0.016300000000000002,0.182
1999,0.011,,0.0169,0.196
2000,0.0119,,0.0174,0.206
2001,0.0144,,0.0181,0.208
2002,0.015099999999999999,,0.0188,0.211
2003,0.016399999999999998,,0.0195,0.215
2004,0.0184,1.75e-07,0.0201,0.212
2005,0.0212,1.75e-07,0.0208,0.215
2006,0.031,1.75e-07,0.0216,0.221
2007,0.0296,1.75e-07,0.0223,0.217
2008,0.022600000000000002,1.75e-07,0.0232,0.198
2009,0.0221,5.25e-08,0.024,0.211
2010,0.0217,6.999999999999999e-08,0.0248,0.221
2011,0.0232,6.999999999999999e-08,0.0259,0.224
2012,0.0237,6.999999999999999e-08,0.0269,0.23
2013,0.023600000000000003,3.7400000000000004e-08,0.027800000000000002,0.236
2014,0.023600000000000003,1.96e-08,0.0288,0.245
2015,0.0245,1.85e-09,0.0298,0.248
2016,0.026600000000000002,0.0,0.030199999999999998,0.262
2017,0.0272,0.0,0.031,0.255
2018,0.0277,0.0,0.0318,0.254