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
1881,0.00395,0.196,1.13e-06,4.4600000000000005e-06
1882,0.00395,0.196,1.13e-06,4.4600000000000005e-06
1883,0.00791,0.393,2.2499999999999996e-06,8.920000000000001e-06
1884,0.0119,0.589,3.3800000000000002e-06,1.34e-05
1885,0.00791,0.393,2.2499999999999996e-06,8.920000000000001e-06
1886,0.00791,0.393,2.2499999999999996e-06,8.920000000000001e-06
1887,0.0119,0.589,3.3800000000000002e-06,1.34e-05
1888,0.0198,0.982,5.6299999999999995e-06,2.23e-05
1889,0.0277,1.37,7.879999999999999e-06,3.12e-05
1890,0.0334,0.908,1.01e-05,4.01e-05
1891,0.0404,0.908,1.24e-05,4.91e-05
1892,0.0476,0.908,1.46e-05,5.8e-05
1893,0.061799999999999994,0.909,1.91e-05,7.580000000000001e-05
1894,0.07959999999999999,0.91,2.48e-05,9.810000000000001e-05
1895,0.0838,0.911,2.59e-05,0.000103
1896,0.105,0.912,3.26e-05,0.000129
1897,0.11,0.913,3.3799999999999995e-05,0.000134
1898,0.145,0.914,4.4999999999999996e-05,0.000178
1899,0.146,0.915,4.4999999999999996e-05,0.000178
1900,0.213,0.916,6.64e-05,0.000263
1901,0.267,0.917,8.33e-05,0.00033
1902,0.24,0.919,7.32e-05,0.00029
1903,0.241,0.92,7.199999999999999e-05,0.000285
1904,0.308,0.922,9.23e-05,0.000366
1905,0.369,0.924,0.00011,0.000437
1906,0.333,0.927,9.68e-05,0.000384
1907,0.469,0.929,0.00014000000000000001,0.000553
1908,0.608,0.931,0.000183,0.000727
1909,0.618,0.934,0.000186,0.000736
1910,0.646,0.937,0.000195,0.000771
1911,0.895,0.939,0.00027600000000000004,0.00109
1912,0.893,0.942,0.00027600000000000004,0.00109
1913,0.787,0.945,0.000242,0.000959
1914,1.16,0.949,0.000364,0.0014399999999999999
1915,0.758,0.952,0.00023400000000000002,0.000928
1916,0.907,0.956,0.00028399999999999996,0.0011200000000000001
1917,1.11,0.96,0.00035,0.00139
1918,1.37,0.964,0.000437,0.00173
1919,0.818,0.969,0.000257,0.00102
1920,1.07,0.974,0.00033800000000000003,0.00134
1921,1.32,0.979,0.00041999999999999996,0.00166
1922,1.46,0.985,0.000464,0.00184
1923,1.56,0.991,0.000493,0.00195
1924,1.79,0.997,0.000566,0.0022400000000000002
1925,1.77,1.0,0.0005560000000000001,0.0022
1926,1.75,1.01,0.0005470000000000001,0.00217
1927,1.8,1.02,0.000558,0.00221
1928,2.06,1.11,0.000641,0.00254
1929,2.37,1.16,0.00074,0.0029300000000000003
1930,2.29,1.18,0.0007109999999999999,0.00282
1931,2.2,1.14,0.000683,0.00271
1932,2.53,1.18,0.000789,0.00313
1933,2.26,1.17,0.0007019999999999999,0.00278
1934,2.35,1.18,0.000733,0.0029
1935,2.39,1.18,0.000744,0.0029500000000000004
1936,2.42,1.2,0.000755,0.00299
1937,2.67,1.24,0.0008359999999999999,0.00331
1938,3.01,1.29,0.0009469999999999999,0.00375
1939,3.31,1.31,0.0010400000000000001,0.00413
1940,3.97,1.33,0.00126,0.0049900000000000005
1941,4.28,1.35,0.00136,0.00538
1942,5.15,1.39,0.00164,0.00651
1943,5.58,1.44,0.0017900000000000001,0.00707
1944,4.18,1.51,0.00133,0.0052699999999999995
1945,4.9,1.69,0.00156,0.00619
1946,4.79,1.81,0.0015300000000000001,0.006059999999999999
1947,5.67,1.94,0.00182,0.00719
1948,5.81,2.08,0.00186,0.00738
1949,7.12,2.32,0.00229,0.00907
1950,6.88,2.57,0.00221,0.00876
1951,7.5,2.78,0.0024100000000000002,0.00956
1952,8.68,3.07,0.00279,0.0111
1953,9.77,3.41,0.00315,0.0125
1954,10.5,3.85,0.0033799999999999998,0.0134
1955,11.2,4.29,0.00359,0.014199999999999999
1956,12.0,4.77,0.00385,0.015300000000000001
1957,13.3,5.25,0.00429,0.017
1958,14.5,5.75,0.00466,0.0185
1959,18.1,6.6,0.005809999999999999,0.023
1960,20.5,7.16,0.0066,0.0261
1961,23.9,7.72,0.00771,0.0305
1962,28.3,8.27,0.00915,0.0362
1963,31.6,8.96,0.010199999999999999,0.0405
1964,39.4,9.71,0.0128,0.0506
1965,42.6,10.3,0.013800000000000002,0.054700000000000006
1966,44.9,10.9,0.0145,0.0576
1967,50.7,11.8,0.016399999999999998,0.065
1968,54.7,12.4,0.0177,0.0703
1969,61.2,13.0,0.0198,0.07859999999999999
1970,56.2,12.6,0.0185,0.07690000000000001
1971,59.0,12.3,0.0185,0.0675
1972,60.7,12.8,0.0185,0.0712
1973,63.0,12.6,0.0185,0.0716
1974,65.2,12.1,0.0185,0.0735
1975,66.9,12.4,0.0185,0.0673
1976,67.0,12.8,0.0185,0.0762
1977,69.5,12.5,0.0185,0.0579
1978,74.5,11.9,0.0185,0.06559999999999999
1979,72.3,12.3,0.0185,0.07890000000000001
1980,70.7,11.7,0.0185,0.07429999999999999
1981,73.4,11.6,0.0185,0.0876
1982,82.6,11.4,0.0185,0.08170000000000001
1983,82.7,11.1,0.0185,0.0712
1984,79.8,11.7,0.0185,0.0445
1985,82.1,11.2,0.0185,0.0625
1986,83.7,10.7,0.0185,0.0653
1987,83.9,9.99,0.0185,0.0643
1988,78.1,11.5,0.0185,0.062200000000000005
1989,77.6,10.5,0.019,0.0515
1990,68.3,8.37,0.0198,0.0455
1991,54.5,6.68,0.0202,0.0213
1992,51.4,5.62,0.0189,0.016
1993,51.6,6.02,0.020300000000000002,0.019
1994,48.6,7.46,0.0207,0.0233
1995,48.6,9.05,0.0209,0.0149
1996,49.2,8.87,0.0206,0.0174
1997,47.4,8.43,0.0208,0.0175
1998,46.8,6.44,0.0349,0.0112
1999,40.7,5.67,0.028300000000000002,0.0161
2000,38.9,6.34,0.0626,0.0166
2001,42.7,6.28,0.039700000000000006,0.0193
2002,40.5,5.68,0.038799999999999994,0.0179
2003,44.2,6.29,0.0438,0.0162
2004,43.2,6.24,0.0697,0.019
2005,44.0,6.57,0.054799999999999995,0.0183
2006,45.2,6.67,0.0516,0.0171
2007,48.7,6.99,0.0342,0.0158
2008,48.1,5.96,0.0424,0.020300000000000002
2009,42.5,3.22,0.033299999999999996,0.0249
2010,44.4,3.48,0.0135,0.0181
2011,49.1,4.0,0.009710000000000002,0.0263
2012,44.5,3.79,0.0201,0.0313
2013,38.9,3.63,0.0389,0.037200000000000004
2014,41.3,3.86,0.011300000000000001,0.030899999999999997
2015,43.8,4.39,0.0101,0.0313
2016,40.8,4.51,0.0123,0.0359
2017,43.0,4.47,0.0147,0.0334
2018,39.4,4.13,0.00677,0.0337