year,IPC1,IPC2,IPC4,IPCMAG
1850,0.114,0.00468,1.62e-05,0.00246
1851,0.12,0.0049299999999999995,1.7100000000000002e-05,0.00259
1852,0.126,0.0052,1.7999999999999997e-05,0.00273
1853,0.133,0.0054800000000000005,1.9e-05,0.0028799999999999997
1854,0.141,0.00578,2e-05,0.00304
1855,0.148,0.0060999999999999995,2.11e-05,0.00321
1856,0.156,0.00643,2.23e-05,0.0033799999999999998
1857,0.165,0.0067800000000000004,2.35e-05,0.0035600000000000002
1858,0.174,0.00714,2.47e-05,0.00375
1859,0.183,0.00751,2.6e-05,0.00395
1860,0.18,0.0074199999999999995,2.57e-05,0.0039
1861,0.593,0.024399999999999998,8.46e-05,0.0128
1862,1.01,0.0415,0.00014399999999999998,0.0218
1863,1.42,0.0586,0.000203,0.0308
1864,1.84,0.0757,0.000262,0.039799999999999995
1865,2.25,0.0927,0.000321,0.0487
1866,2.67,0.11,0.000381,0.0577
1867,3.08,0.127,0.000439,0.06659999999999999
1868,3.5,0.144,0.000499,0.0756
1869,3.91,0.161,0.000558,0.0846
1870,4.33,0.178,0.000617,0.09359999999999999
1871,4.74,0.195,0.0006760000000000001,0.103
1872,5.16,0.212,0.000735,0.111
1873,5.57,0.229,0.000794,0.12
1874,5.99,0.246,0.000853,0.129
1875,6.4,0.263,0.0009130000000000001,0.138
1876,11.1,0.455,0.00158,0.239
1877,11.6,0.478,0.00166,0.251
1878,12.2,0.501,0.00174,0.263
1879,13.1,0.539,0.0018700000000000001,0.283
1880,13.9,0.571,0.00198,0.3
1881,14.7,0.603,0.00209,0.317
1882,15.0,0.617,0.00214,0.324
1883,16.0,0.659,0.00228,0.346
1884,16.5,0.68,0.0023599999999999997,0.357
1885,17.4,0.714,0.0024700000000000004,0.375
1886,18.3,0.751,0.0026,0.395
1887,19.2,0.789,0.00273,0.414
1888,20.6,0.845,0.0029300000000000003,0.444
1889,21.8,0.895,0.0031,0.47
1890,23.3,0.879,0.00332,0.503
1891,24.1,0.88,0.00344,0.521
1892,24.5,0.88,0.00349,0.529
1893,25.0,0.881,0.00357,0.541
1894,25.7,0.881,0.00366,0.555
1895,26.6,0.882,0.0038,0.576
1896,27.3,0.883,0.0038900000000000002,0.59
1897,28.9,0.884,0.00412,0.624
1898,29.6,0.885,0.00421,0.638
1899,30.3,0.886,0.00432,0.655
1900,30.1,0.887,0.00429,0.65
1901,31.5,0.889,0.0044800000000000005,0.679
1902,31.9,0.89,0.00454,0.688
1903,32.6,0.892,0.00462,0.701
1904,32.9,0.893,0.00467,0.708
1905,34.0,0.895,0.00481,0.729
1906,35.5,0.898,0.005019999999999999,0.761
1907,37.3,0.9,0.0052699999999999995,0.8
1908,38.0,0.902,0.00537,0.815
1909,37.8,0.905,0.00534,0.81
1910,37.5,0.907,0.00528,0.801
1911,37.9,0.91,0.00535,0.811
1912,40.3,0.913,0.005690000000000001,0.863
1913,42.1,0.916,0.00595,0.903
1914,38.4,0.919,0.00543,0.823
1915,38.3,0.922,0.00542,0.821
1916,40.7,0.926,0.0057599999999999995,0.874
1917,38.3,0.93,0.00542,0.822
1918,32.7,0.934,0.00462,0.701
1919,30.9,0.939,0.00437,0.662
1920,30.6,0.943,0.00433,0.657
1921,29.4,0.948,0.0041600000000000005,0.631
1922,26.3,0.954,0.0037099999999999998,0.563
1923,27.9,0.96,0.00392,0.595
1924,34.2,0.966,0.0048200000000000005,0.73
1925,32.3,0.973,0.00453,0.687
1926,32.8,0.981,0.0045899999999999995,0.697
1927,35.3,0.988,0.0049299999999999995,0.748
1928,37.2,0.997,0.00519,0.787
1929,41.5,1.6,0.005809999999999999,0.881
1930,36.3,1.61,0.005059999999999999,0.767
1931,34.0,1.62,0.004730000000000001,0.718
1932,29.8,1.57,0.00412,0.625
1933,27.4,1.47,0.00378,0.573
1934,27.3,1.5,0.00377,0.572
1935,28.1,1.54,0.0038799999999999998,0.588
1936,30.4,1.61,0.00422,0.639
1937,36.7,1.78,0.0050999999999999995,0.774
1938,42.4,1.53,0.00592,0.898
1939,46.4,1.28,0.00649,0.984
1940,52.2,1.27,0.00732,1.11
1941,52.5,1.34,0.00736,1.12
1942,56.6,1.4,0.007940000000000001,1.2
1943,62.4,1.47,0.00877,1.33
1944,59.6,1.64,0.00838,1.27
1945,32.0,1.82,0.00445,0.674
1946,39.3,2.01,0.00549,0.832
1947,44.4,2.36,0.00621,0.942
1948,47.8,2.59,0.00671,1.02
1949,50.2,2.77,0.00705,1.07
1950,51.5,2.97,0.00724,1.1
1951,54.8,3.26,0.00771,1.17
1952,58.6,3.57,0.008230000000000001,1.25
1953,60.8,3.94,0.00853,1.29
1954,64.9,4.42,0.0091,1.38
1955,67.4,4.99,0.009439999999999999,1.43
1956,72.4,5.55,0.0101,1.54
1957,75.3,6.25,0.0105,1.6
1958,82.1,6.92,0.0115,1.74
1959,82.0,7.66,0.0114,1.73
1960,87.4,8.27,0.012199999999999999,1.85
1961,94.7,8.84,0.0132,2.01
1962,101.0,9.45,0.0141,2.14
1963,106.0,9.61,0.0149,2.25
1964,110.0,10.2,0.0154,2.34
1965,108.0,10.8,0.015,2.28
1966,107.0,11.5,0.0149,2.26
1967,106.0,12.1,0.0148,2.25
1968,111.0,12.7,0.0155,2.35
1969,118.0,13.3,0.016399999999999998,2.49
1970,134.0,13.1,0.0167,2.46
1971,141.0,13.8,0.0167,2.37
1972,142.0,14.4,0.0167,2.29
1973,142.0,14.8,0.0167,2.21
1974,141.0,15.4,0.0167,2.13
1975,147.0,16.0,0.0167,2.06
1976,153.0,16.6,0.0167,1.96
1977,157.0,17.0,0.0167,1.91
1978,159.0,17.4,0.0167,1.83
1979,154.0,17.0,0.0167,1.75
1980,155.0,17.2,0.0167,1.7
1981,154.0,17.6,0.0167,1.61
1982,152.0,17.3,0.0167,1.5
1983,153.0,17.5,0.0167,1.41
1984,158.0,17.2,0.0169,1.35
1985,155.0,16.4,0.0169,1.24
1986,156.0,15.7,0.017,1.17
1987,155.0,15.7,0.0173,1.08
1988,152.0,15.8,0.0178,1.01
1989,146.0,14.3,0.0188,0.93
1990,147.0,15.6,0.0208,1.3
1991,136.0,12.8,0.0249,0.448
1992,131.0,13.4,0.0293,0.218
1993,126.0,12.4,0.04,0.197
1994,119.0,13.4,0.0567,0.195
1995,119.0,12.8,0.0636,0.221
1996,121.0,13.5,0.064,0.214
1997,116.0,14.2,0.067,0.161
1998,111.0,14.2,0.0674,0.234
1999,105.0,11.8,0.0688,0.176
2000,114.0,13.1,0.0567,0.161
2001,115.0,12.2,0.0775,0.183
2002,112.0,12.0,0.112,0.164
2003,114.0,12.9,0.173,0.14
2004,114.0,13.6,0.162,0.147
2005,113.0,12.4,0.122,0.139
2006,113.0,13.2,0.153,0.161
2007,114.0,13.8,0.108,0.202
2008,109.0,13.5,0.113,0.196
2009,104.0,11.0,0.102,0.15
2010,105.0,11.8,0.125,0.173
2011,103.0,11.8,0.113,0.191
2012,99.2,11.4,0.113,0.252
2013,94.7,11.3,0.117,0.262
2014,91.8,11.9,0.119,0.209
2015,93.0,11.4,0.119,0.352
2016,94.7,11.5,0.119,0.379
2017,93.8,11.4,0.133,0.283
2018,92.0,12.0,0.138,0.287