year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00488,0.0,0.0185,0.06409999999999999
1851,0.004940000000000001,3.4400000000000004e-08,0.018600000000000002,0.0663
1852,0.005,6.85e-08,0.018699999999999998,0.0684
1853,0.005059999999999999,1.02e-07,0.018699999999999998,0.0705
1854,0.00512,1.36e-07,0.0188,0.0726
1855,0.00518,1.69e-07,0.0189,0.0747
1856,0.00524,2.02e-07,0.019,0.0767
1857,0.00531,2.34e-07,0.019100000000000002,0.0788
1858,0.00537,2.66e-07,0.0192,0.0808
1859,0.00543,2.98e-07,0.0192,0.0828
1860,0.00549,3.3e-07,0.0193,0.0847
1861,0.00556,3.61e-07,0.019399999999999997,0.0867
1862,0.00562,3.9199999999999996e-07,0.019600000000000003,0.0886
1863,0.005690000000000001,4.22e-07,0.0197,0.0905
1864,0.00575,4.53e-07,0.0198,0.09240000000000001
1865,0.0058200000000000005,4.83e-07,0.019899999999999998,0.0943
1866,0.005889999999999999,5.119999999999999e-07,0.02,0.09620000000000001
1867,0.00595,5.42e-07,0.0202,0.098
1868,0.006019999999999999,5.71e-07,0.020300000000000002,0.0999
1869,0.00609,6e-07,0.020399999999999998,0.102
1870,0.0061600000000000005,6.29e-07,0.0206,0.103
1871,0.00623,6.57e-07,0.0207,0.105
1872,0.0063,6.85e-07,0.0209,0.107
1873,0.00637,7.13e-07,0.021,0.109
1874,0.00644,7.41e-07,0.0212,0.111
1875,0.00651,7.68e-07,0.0214,0.112
1876,0.00658,7.95e-07,0.0216,0.114
1877,0.0066500000000000005,8.22e-07,0.0217,0.116
1878,0.006719999999999999,8.49e-07,0.0219,0.117
1879,0.00679,8.75e-07,0.0221,0.119
1880,0.006860000000000001,9.01e-07,0.0223,0.121
1881,0.00694,9.27e-07,0.0225,0.123
1882,0.00701,9.529999999999999e-07,0.022699999999999998,0.124
1883,0.00708,9.78e-07,0.0228,0.126
1884,0.0071600000000000006,1e-06,0.023,0.128
1885,0.00723,1.03e-06,0.0232,0.129
1886,0.0073,1.05e-06,0.023399999999999997,0.131
1887,0.00738,1.08e-06,0.023600000000000003,0.132
1888,0.00745,1.1e-06,0.0238,0.134
1889,0.00753,1.13e-06,0.024,0.136
1890,0.011,1.76e-06,0.0245,0.137
1891,0.0128,1.89e-06,0.0246,0.137
1892,0.0146,2.04e-06,0.0246,0.137
1893,0.0165,2.2200000000000003e-06,0.0247,0.137
1894,0.0184,2.4199999999999997e-06,0.0248,0.137
1895,0.020399999999999998,2.65e-06,0.0249,0.138
1896,0.0224,2.8900000000000003e-06,0.0251,0.138
1897,0.0245,3.15e-06,0.0253,0.138
1898,0.026600000000000002,3.42e-06,0.0254,0.139
1899,0.0288,3.71e-06,0.0256,0.139
1900,0.031,4e-06,0.0258,0.139
1901,0.0335,4.35e-06,0.0261,0.14
1902,0.0365,4.77e-06,0.0264,0.14
1903,0.039799999999999995,5.2500000000000006e-06,0.0269,0.141
1904,0.0431,5.77e-06,0.027399999999999997,0.142
1905,0.0465,6.3e-06,0.027899999999999998,0.143
1906,0.0496,6.83e-06,0.0285,0.143
1907,0.0523,7.34e-06,0.0291,0.144
1908,0.0544,7.8e-06,0.0297,0.145
1909,0.055799999999999995,8.19e-06,0.0303,0.146
1910,0.056299999999999996,8.5e-06,0.0308,0.147
1911,0.056299999999999996,8.750000000000001e-06,0.0314,0.148
1912,0.056100000000000004,8.959999999999999e-06,0.0319,0.148
1913,0.055799999999999995,9.14e-06,0.0325,0.149
1914,0.0555,9.31e-06,0.033100000000000004,0.15
1915,0.0551,9.46e-06,0.0337,0.151
1916,0.054700000000000006,9.62e-06,0.0343,0.152
1917,0.054299999999999994,9.77e-06,0.0349,0.152
1918,0.0541,9.94e-06,0.0355,0.154
1919,0.053899999999999997,1.01e-05,0.0361,0.155
1920,0.0538,1.03e-05,0.0368,0.157
1921,0.0557,1.06e-05,0.037399999999999996,0.16
1922,0.0608,1.08e-05,0.0381,0.166
1923,0.0688,1.11e-05,0.038799999999999994,0.174
1924,0.07909999999999999,1.1299999999999999e-05,0.0395,0.184
1925,0.0911,1.1599999999999999e-05,0.0402,0.195
1926,0.104,1.1900000000000001e-05,0.0409,0.206
1927,0.118,1.22e-05,0.0417,0.218
1928,0.132,1.26e-05,0.0424,0.229
1929,0.146,1.3e-05,0.0432,0.239
1930,0.159,1.34e-05,0.044,0.247
1931,0.17,1.3899999999999999e-05,0.0448,0.254
1932,0.182,1.44e-05,0.0456,0.261
1933,0.193,1.5100000000000001e-05,0.0464,0.267
1934,0.204,1.59e-05,0.047299999999999995,0.274
1935,0.216,1.66e-05,0.048100000000000004,0.279
1936,0.229,1.74e-05,0.049,0.285
1937,0.244,1.8200000000000002e-05,0.0499,0.291
1938,0.261,1.9e-05,0.0508,0.297
1939,0.281,1.98e-05,0.0518,0.304
1940,0.303,2.05e-05,0.0528,0.311
1941,0.333,2.11e-05,0.0538,0.318
1942,0.376,2.16e-05,0.054799999999999995,0.325
1943,0.429,2.2100000000000002e-05,0.0557,0.332
1944,0.492,2.2599999999999997e-05,0.0567,0.339
1945,0.564,2.31e-05,0.0578,0.346
1946,0.643,2.37e-05,0.059,0.354
1947,0.727,2.42e-05,0.060200000000000004,0.363
1948,0.817,2.49e-05,0.0616,0.371
1949,0.91,2.57e-05,0.0632,0.38
1950,1.0,2.66e-05,0.06509999999999999,0.39
1951,1.1,2.7799999999999998e-05,0.0674,0.402
1952,1.21,2.94e-05,0.0704,0.417
1953,1.33,3.14e-05,0.074,0.434
1954,1.46,3.36e-05,0.0782,0.452
1955,1.6,3.61e-05,0.0828,0.47
1956,1.75,3.87e-05,0.0877,0.488
1957,1.92,4.14e-05,0.093,0.504
1958,2.1,4.41e-05,0.0984,0.517
1959,2.3,4.67e-05,0.104,0.527
1960,2.52,4.92e-05,0.109,0.532
1961,2.73,5.19e-05,0.115,0.567
1962,2.93,5.49e-05,0.122,0.585
1963,3.14,5.83e-05,0.128,0.537
1964,3.39,6.17e-05,0.136,0.536
1965,3.7,6.510000000000001e-05,0.143,0.549
1966,4.1,6.819999999999999e-05,0.151,0.556
1967,4.61,7.09e-05,0.159,0.549
1968,5.25,7.3e-05,0.166,0.561
1969,6.05,7.439999999999999e-05,0.174,0.563
1970,6.75,7.5e-05,0.188,0.574
1971,7.67,7.38e-05,0.198,0.564
1972,8.63,7.240000000000001e-05,0.206,0.575
1973,10.1,7.77e-05,0.214,0.601
1974,10.1,8.3e-05,0.221,0.618
1975,8.59,8.3e-05,0.229,0.615
1976,10.0,8.3e-05,0.24,0.618
1977,9.55,8.91e-05,0.25,0.625
1978,9.22,8.91e-05,0.26,0.637
1979,5.67,3.8e-05,0.27,0.633
1980,3.37,3.8100000000000005e-05,0.283,0.643
1981,2.79,3.22e-05,0.297,0.667
1982,5.06,4.46e-05,0.31,0.655
1983,4.64,4.83e-05,0.326,0.671
1984,2.55,5.6e-05,0.341,0.706
1985,2.2,5.53e-05,0.36,0.748
1986,2.11,5.53e-05,0.376,0.789
1987,2.03,5.53e-05,0.393,0.782
1988,1.81,5.8099999999999996e-05,0.41,0.758
1989,2.03,6.16e-05,0.43,0.849
1990,4.46,0.00023999999999999998,0.449,0.856
1991,4.64,0.00028399999999999996,0.46,0.835
1992,4.58,0.000304,0.472,0.898
1993,3.99,0.000305,0.481,0.905
1994,4.59,0.000305,0.497,0.914
1995,4.15,0.000408,0.508,0.929
1996,4.12,0.00068,0.523,0.954
1997,3.89,0.000647,0.525,0.956
1998,3.19,0.000447,0.539,0.982
1999,3.03,0.000587,0.551,0.962
2000,3.12,0.00134,0.564,0.931
2001,2.96,0.0019199999999999998,0.578,0.922
2002,3.04,0.00195,0.605,0.904
2003,3.7,0.0021000000000000003,0.62,0.91
2004,3.77,0.003,0.634,0.921
2005,4.03,0.004200000000000001,0.649,0.935
2006,4.26,0.00424,0.668,0.94
2007,4.23,0.00697,0.693,0.942
2008,4.31,0.00749,0.703,0.839
2009,4.42,0.009300000000000001,0.705,0.853
2010,4.56,0.0114,0.728,0.864
2011,4.65,0.0101,0.743,0.832
2012,4.49,0.0114,0.758,0.84
2013,4.52,0.00831,0.761,0.835
2014,4.95,0.0106,0.778,0.64
2015,5.07,0.00923,0.767,0.679
2016,5.22,0.0126,0.806,0.705
2017,5.35,0.013300000000000001,0.82,0.681
2018,5.48,0.014,0.834,0.691