year,IPC1,IPC2,IPC4
1850,4.02e-05,0.0,2.12e-06
1851,4.23e-05,0.0,2.2300000000000002e-06
1852,4.46e-05,0.0,2.35e-06
1853,4.7e-05,0.0,2.48e-06
1854,4.96e-05,0.0,2.62e-06
1855,5.23e-05,0.0,2.76e-06
1856,5.52e-05,0.0,2.9099999999999997e-06
1857,5.82e-05,0.0,3.07e-06
1858,6.12e-05,0.0,3.23e-06
1859,6.44e-05,0.0,3.3999999999999996e-06
1860,6.769999999999999e-05,0.0,3.5699999999999997e-06
1861,7.11e-05,0.0,3.7499999999999997e-06
1862,7.47e-05,0.0,3.9399999999999995e-06
1863,7.84e-05,0.0,4.13e-06
1864,8.23e-05,0.0,4.34e-06
1865,8.64e-05,0.0,4.5599999999999995e-06
1866,9.070000000000001e-05,0.0,4.78e-06
1867,9.510000000000001e-05,0.0,5.02e-06
1868,9.97e-05,0.0,5.26e-06
1869,0.00010499999999999999,0.0,5.51e-06
1870,0.00011,0.0,5.7800000000000006e-06
1871,0.000115,0.0,6.0600000000000004e-06
1872,0.000121,0.0,6.36e-06
1873,0.000127,0.0,6.68e-06
1874,0.000133,0.0,7.01e-06
1875,0.00014000000000000001,0.0,7.36e-06
1876,0.000146,0.0,7.72e-06
1877,0.000153,0.0,8.09e-06
1878,0.000161,0.0,8.47e-06
1879,0.00016800000000000002,0.0,8.86e-06
1880,0.000176,0.0,9.26e-06
1881,0.000183,0.0,9.67e-06
1882,0.000191,0.0,1.01e-05
1883,0.000199,0.0,1.0500000000000001e-05
1884,0.000208,0.0,1.1e-05
1885,0.000216,0.0,1.1400000000000001e-05
1886,0.000225,0.0,1.1900000000000001e-05
1887,0.000235,0.0,1.24e-05
1888,0.000244,0.0,1.29e-05
1889,0.000254,0.0,1.34e-05
1890,0.00028000000000000003,0.0,1.47e-05
1891,0.00029,0.0,1.53e-05
1892,0.000301,0.0,1.59e-05
1893,0.000314,0.0,1.65e-05
1894,0.00032700000000000003,0.0,1.72e-05
1895,0.00034,0.0,1.7999999999999997e-05
1896,0.00035499999999999996,0.0,1.87e-05
1897,0.00037,0.0,1.95e-05
1898,0.000386,0.0,2.04e-05
1899,0.000402,0.0,2.12e-05
1900,0.000419,0.0,2.2100000000000002e-05
1901,0.000438,0.0,2.31e-05
1902,0.00045900000000000004,0.0,2.42e-05
1903,0.000483,0.0,2.55e-05
1904,0.000507,0.0,2.6700000000000002e-05
1905,0.000532,0.0,2.81e-05
1906,0.0005570000000000001,0.0,2.94e-05
1907,0.0005809999999999999,0.0,3.06e-05
1908,0.000603,0.0,3.18e-05
1909,0.000623,0.0,3.29e-05
1910,0.00064,0.0,3.3799999999999995e-05
1911,0.000655,0.0,3.4500000000000005e-05
1912,0.0006680000000000001,0.0,3.52e-05
1913,0.00068,0.0,3.59e-05
1914,0.0006919999999999999,0.0,3.65e-05
1915,0.000703,0.0,3.71e-05
1916,0.000713,0.0,3.76e-05
1917,0.000723,0.0,3.82e-05
1918,0.000734,0.0,3.87e-05
1919,0.000744,0.0,3.93e-05
1920,0.000755,0.0,3.9800000000000005e-05
1921,0.000766,2.55e-07,4.04e-05
1922,0.000776,9.79e-07,4.09e-05
1923,0.000785,2.1099999999999997e-06,4.14e-05
1924,0.000795,3.58e-06,4.19e-05
1925,0.000804,5.3400000000000005e-06,4.24e-05
1926,0.0008139999999999999,7.3099999999999995e-06,4.29e-05
1927,0.000825,9.43e-06,4.35e-05
1928,0.000837,1.1599999999999999e-05,4.41e-05
1929,0.00085,1.3899999999999999e-05,4.48e-05
1930,0.000865,1.61e-05,4.5600000000000004e-05
1931,0.000882,1.85e-05,4.65e-05
1932,0.0009040000000000001,2.13e-05,4.77e-05
1933,0.000929,2.44e-05,4.9000000000000005e-05
1934,0.000957,2.7799999999999998e-05,5.05e-05
1935,0.000986,3.14e-05,5.2e-05
1936,0.00102,3.51e-05,5.36e-05
1937,0.0010500000000000002,3.88e-05,5.53e-05
1938,0.00108,4.25e-05,5.69e-05
1939,0.00111,4.62e-05,5.8500000000000006e-05
1940,0.00114,4.96e-05,5.9999999999999995e-05
1941,0.00116,5.28e-05,6.14e-05
1942,0.0011899999999999999,5.57e-05,6.27e-05
1943,0.00121,5.84e-05,6.379999999999999e-05
1944,0.00123,6.110000000000001e-05,6.500000000000001e-05
1945,0.00126,6.39e-05,6.62e-05
1946,0.00128,6.69e-05,6.75e-05
1947,0.00131,7.02e-05,6.900000000000001e-05
1948,0.00134,7.4e-05,7.06e-05
1949,0.00138,7.84e-05,7.25e-05
1950,0.0014199999999999998,8.350000000000001e-05,7.47e-05
1951,0.00148,9.070000000000001e-05,7.8e-05
1952,0.00157,0.000101,8.28e-05
1953,0.0016799999999999999,0.000114,8.87e-05
1954,0.00181,0.000129,9.56e-05
1955,0.00195,0.000146,0.000103
1956,0.0021000000000000003,0.000163,0.000111
1957,0.0022400000000000002,0.00018099999999999998,0.000118
1958,0.0023799999999999997,0.00019800000000000002,0.000126
1959,0.0025,0.000215,0.000132
1960,0.00261,0.00023,0.00013800000000000002
1961,0.00271,0.000245,0.00014299999999999998
1962,0.00281,0.000258,0.000148
1963,0.00292,0.00027100000000000003,0.000154
1964,0.00302,0.00028399999999999996,0.00015900000000000002
1965,0.00312,0.000297,0.000164
1966,0.00321,0.000311,0.00016900000000000002
1967,0.00328,0.000325,0.00017299999999999998
1968,0.0033399999999999997,0.00034,0.000176
1969,0.0033799999999999998,0.000357,0.000178
1970,0.00349,0.00039,0.000262
1971,0.00349,0.000398,0.000262
1972,0.00367,0.00041099999999999996,0.000292
1973,0.00367,0.000423,0.000326
1974,0.00367,0.000434,0.000363
1975,0.00733,0.000449,0.000404
1976,0.011,0.000443,0.000447
1977,0.0147,0.00045200000000000004,0.000494
1978,0.022,0.000486,0.0005340000000000001
1979,0.0293,0.000496,0.000566
1980,0.044,0.000512,0.000602
1981,0.047700000000000006,0.000518,0.000642
1982,0.047700000000000006,0.000541,0.0006850000000000001
1983,0.0513,0.0005480000000000001,0.000731
1984,0.0587,0.0006630000000000001,0.00078
1985,0.066,0.000623,0.0008259999999999999
1986,0.08070000000000001,0.000642,0.000858
1987,0.08070000000000001,0.000652,0.0008900000000000001
1988,0.0953,0.0006979999999999999,0.000923
1989,0.125,0.000709,0.000955
1990,0.172,0.000728,0.000986
1991,0.154,0.000753,0.00101
1992,0.231,0.0007790000000000001,0.0010400000000000001
1993,0.198,0.000896,0.00106
1994,0.198,0.0009180000000000001,0.00109
1995,0.25,0.00114,0.00111
1996,0.29,0.00122,0.00115
1997,0.33,0.00116,0.0011899999999999999
1998,0.301,0.00127,0.00123
1999,0.422,0.0012900000000000001,0.00127
2000,0.452,0.0016,0.00133
2001,0.463,0.00149,0.0014199999999999998
2002,0.594,0.00174,0.00151
2003,0.506,0.0019199999999999998,0.00161
2004,0.668,0.00182,0.00172
2005,0.602,0.00172,0.00184
2006,0.76,0.0020299999999999997,0.00195
2007,0.782,0.00214,0.00202
2008,0.844,0.00209,0.0021000000000000003
2009,0.884,0.00211,0.00218
2010,0.936,0.0020099999999999996,0.00227
2011,0.987,0.00202,0.00263
2012,1.11,0.00202,0.0027400000000000002
2013,1.09,0.00184,0.00285
2014,1.34,0.00173,0.00296
2015,1.28,0.00172,0.00307
2016,1.3,0.00166,0.00323
2017,1.33,0.00161,0.0034
2018,1.37,0.00156,0.00357