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
1881,0.000175,0.0132,4.75e-09,2.01e-07
1882,0.000414,0.031100000000000003,1.12e-08,4.74e-07
1883,0.000704,0.052899999999999996,1.91e-08,8.07e-07
1884,0.0010400000000000001,0.0778,2.81e-08,1.19e-06
1885,0.0014,0.105,3.79e-08,1.6000000000000001e-06
1886,0.00182,0.137,4.95e-08,2.09e-06
1887,0.00234,0.176,6.36e-08,2.69e-06
1888,0.0029300000000000003,0.22,7.949999999999999e-08,3.36e-06
1889,0.0035499999999999998,0.267,9.64e-08,4.07e-06
1890,0.00311,0.201,1.14e-07,4.8e-06
1891,0.0033900000000000002,0.201,1.33e-07,5.6e-06
1892,0.00375,0.201,1.47e-07,6.2e-06
1893,0.00532,0.201,2.61e-07,1.1e-05
1894,0.00833,0.201,4.979999999999999e-07,2.1000000000000002e-05
1895,0.0089,0.201,4.979999999999999e-07,2.1000000000000002e-05
1896,0.010199999999999999,0.202,5.550000000000001e-07,2.34e-05
1897,0.009630000000000001,0.202,4.3100000000000003e-07,1.8200000000000002e-05
1898,0.0129,0.202,6.54e-07,2.76e-05
1899,0.0149,0.202,7.63e-07,3.22e-05
1900,0.0188,0.202,1.03e-06,4.36e-05
1901,0.0215,0.203,1.13e-06,4.7600000000000005e-05
1902,0.0237,0.203,1.06e-06,4.46e-05
1903,0.0285,0.203,1.15e-06,4.84e-05
1904,0.0337,0.204,1.22e-06,5.16e-05
1905,0.0394,0.204,1.33e-06,5.6e-05
1906,0.046700000000000005,0.205,1.59e-06,6.7e-05
1907,0.0511,0.205,1.62e-06,6.819999999999999e-05
1908,0.055799999999999995,0.206,1.74e-06,7.340000000000001e-05
1909,0.0585,0.206,1.79e-06,7.539999999999999e-05
1910,0.0591,0.207,1.77e-06,7.46e-05
1911,0.0603,0.208,1.9200000000000003e-06,8.08e-05
1912,0.0596,0.208,1.96e-06,8.28e-05
1913,0.0945,0.209,5.39e-06,0.000228
1914,0.0912,0.21,5.28e-06,0.000223
1915,0.0858,0.211,4.99e-06,0.000211
1916,0.0795,0.211,4.63e-06,0.000195
1917,0.0735,0.212,4.26e-06,0.00017999999999999998
1918,0.0687,0.213,3.98e-06,0.00016800000000000002
1919,0.06620000000000001,0.214,3.86e-06,0.000163
1920,0.07940000000000001,0.215,5.13e-06,0.000217
1921,0.0845,0.216,5.459999999999999e-06,0.000231
1922,0.176,0.218,1.3599999999999999e-05,0.000575
1923,0.188,0.219,1.4200000000000001e-05,0.000598
1924,0.201,0.221,1.46e-05,0.000614
1925,0.24,0.222,1.74e-05,0.000736
1926,0.256,0.224,1.8100000000000003e-05,0.000764
1927,0.294,0.226,2.09e-05,0.000882
1928,0.319,0.358,2.2599999999999997e-05,0.0009559999999999999
1929,0.352,0.364,2.52e-05,0.00106
1930,0.389,0.371,2.85e-05,0.0012
1931,0.294,0.377,1.96e-05,0.0008259999999999999
1932,0.319,0.343,2.18e-05,0.0009220000000000001
1933,0.3,0.343,1.9900000000000003e-05,0.000842
1934,0.297,0.349,1.96e-05,0.000828
1935,0.293,0.371,1.93e-05,0.0008139999999999999
1936,0.326,0.35,2.23e-05,0.00094
1937,0.328,0.35,2.2499999999999998e-05,0.000948
1938,0.204,0.37,1.08e-05,0.000456
1939,0.21,0.366,1.1400000000000001e-05,0.00047999999999999996
1940,0.232,0.375,1.34e-05,0.0005669999999999999
1941,0.195,0.386,9.97e-06,0.000421
1942,0.125,0.4,3.5500000000000003e-06,0.00015
1943,0.0868,0.417,9.64e-08,4.07e-06
1944,0.11,0.384,2.41e-06,0.000102
1945,0.173,0.353,8.41e-06,0.00035499999999999996
1946,0.241,0.448,1.49e-05,0.00063
1947,0.304,0.577,2.1000000000000002e-05,0.000885
1948,0.329,0.596,2.34e-05,0.000988
1949,0.381,0.641,2.83e-05,0.0012
1950,0.74,0.662,6.18e-05,0.00261
1951,0.711,0.694,5.89e-05,0.00249
1952,0.622,0.776,5e-05,0.00211
1953,0.826,0.842,6.809999999999999e-05,0.00287
1954,0.928,0.942,7.64e-05,0.00323
1955,1.01,1.06,8.26e-05,0.00349
1956,1.15,1.16,9.45e-05,0.0039900000000000005
1957,1.3,1.33,0.000107,0.00453
1958,1.36,1.43,0.000111,0.00468
1959,1.58,1.57,0.00013000000000000002,0.00551
1960,1.82,1.7,0.000152,0.00642
1961,1.89,1.79,0.000158,0.0066500000000000005
1962,2.03,1.91,0.000171,0.00721
1963,2.33,2.06,0.00019800000000000002,0.00838
1964,2.77,2.2,0.00023899999999999998,0.0101
1965,3.37,2.31,0.000294,0.0124
1966,3.77,2.44,0.000331,0.014
1967,4.68,2.57,0.000415,0.0175
1968,5.53,2.76,0.000495,0.0209
1969,6.13,2.92,0.000549,0.0232
1970,8.18,2.74,0.000455,0.0237
1971,8.5,2.71,0.000455,0.023600000000000003
1972,7.93,2.88,0.000455,0.023600000000000003
1973,11.8,2.98,0.000455,0.0237
1974,11.7,2.87,0.000455,0.024
1975,11.7,3.24,0.000455,0.025
1976,12.5,2.78,0.000455,0.0264
1977,12.6,2.65,0.000455,0.027100000000000003
1978,15.1,2.71,0.000455,0.0282
1979,17.0,2.9,0.000455,0.0325
1980,17.0,2.7,0.000455,0.030699999999999998
1981,14.8,2.76,0.000455,0.0316
1982,14.8,2.44,0.000455,0.032799999999999996
1983,15.0,2.27,0.000455,0.027
1984,15.2,2.31,0.000455,0.052399999999999995
1985,15.4,2.29,0.000455,0.056
1986,16.6,2.64,0.000455,0.0418
1987,17.0,2.75,0.000455,0.045899999999999996
1988,18.1,2.67,0.000455,0.0348
1989,17.8,2.49,0.000455,0.055
1990,20.8,2.62,0.000536,0.05
1991,15.3,1.97,0.000536,0.0509
1992,14.5,2.0,0.000536,0.0655
1993,15.3,1.69,0.000536,0.0521
1994,14.3,1.89,0.000536,0.0476
1995,15.2,1.7,0.000536,0.046299999999999994
1996,15.8,1.72,0.000536,0.052399999999999995
1997,16.6,1.89,0.00182,0.0684
1998,17.5,1.77,0.0037,0.0442
1999,18.0,2.08,0.00438,0.0505
2000,17.4,2.24,0.00615,0.060899999999999996
2001,18.4,2.33,0.006679999999999999,0.09209999999999999
2002,19.5,2.3,0.00378,0.0808
2003,20.9,2.33,0.000803,0.0718
2004,20.3,2.55,0.00035,0.07590000000000001
2005,20.7,2.57,0.000162,0.0855
2006,20.8,2.69,0.000743,0.08070000000000001
2007,22.0,2.76,0.000651,0.08929999999999999
2008,20.8,2.7,0.000666,0.09659999999999999
2009,19.7,2.09,0.000163,0.077
2010,18.8,2.13,4.79e-05,0.088
2011,18.6,1.96,5.06e-05,0.105
2012,17.2,1.77,8.19e-05,0.101
2013,16.5,1.88,4.22e-05,0.0746
2014,15.6,2.0,4.49e-05,0.0695
2015,15.8,1.97,4.5600000000000004e-05,0.0693
2016,16.2,1.83,4.9000000000000005e-05,0.0762
2017,16.6,2.07,2.9999999999999997e-05,0.08109999999999999
2018,15.7,1.97,1.83e-05,0.076