year,IPC1,IPC4,IPCMAG
1850,1.73e-06,0.000375,1.15e-07
1851,1.74e-06,0.000374,1.29e-07
1852,1.75e-06,0.000373,1.44e-07
1853,1.76e-06,0.000371,1.5799999999999999e-07
1854,1.77e-06,0.00037,1.72e-07
1855,1.78e-06,0.00036899999999999997,1.85e-07
1856,1.8e-06,0.000368,1.9900000000000002e-07
1857,1.81e-06,0.000367,2.12e-07
1858,1.82e-06,0.000367,2.25e-07
1859,1.83e-06,0.000366,2.37e-07
1860,1.84e-06,0.000366,2.4899999999999997e-07
1861,1.85e-06,0.000366,2.6200000000000004e-07
1862,1.8600000000000002e-06,0.000366,2.73e-07
1863,1.8699999999999999e-06,0.000366,2.8499999999999997e-07
1864,1.88e-06,0.000365,2.96e-07
1865,1.89e-06,0.000365,3.07e-07
1866,1.9e-06,0.000365,3.1799999999999996e-07
1867,1.9200000000000003e-06,0.000365,3.28e-07
1868,1.93e-06,0.000365,3.38e-07
1869,1.94e-06,0.000365,3.48e-07
1870,1.95e-06,0.000365,3.57e-07
1871,1.96e-06,0.000365,3.67e-07
1872,1.9699999999999998e-06,0.000366,3.76e-07
1873,1.99e-06,0.000367,3.84e-07
1874,2e-06,0.000368,3.93e-07
1875,2.0100000000000002e-06,0.00037,4.01e-07
1876,2.02e-06,0.000371,4.09e-07
1877,2.04e-06,0.000373,4.1599999999999997e-07
1878,2.0500000000000003e-06,0.000375,4.24e-07
1879,2.06e-06,0.000376,4.3100000000000003e-07
1880,2.0699999999999997e-06,0.000378,4.37e-07
1881,2.09e-06,0.00038,4.44e-07
1882,2.1e-06,0.000382,4.5e-07
1883,2.1099999999999997e-06,0.000384,4.56e-07
1884,2.12e-06,0.000386,4.6099999999999996e-07
1885,2.14e-06,0.000389,4.66e-07
1886,2.15e-06,0.000391,4.71e-07
1887,2.16e-06,0.00039400000000000004,4.7600000000000003e-07
1888,2.18e-06,0.00039600000000000003,4.800000000000001e-07
1889,2.19e-06,0.000398,4.84e-07
1890,2.43e-06,0.000399,5.13e-07
1891,2.52e-06,0.000399,5.25e-07
1892,2.62e-06,0.0004,5.389999999999999e-07
1893,2.7200000000000002e-06,0.00040100000000000004,5.53e-07
1894,2.83e-06,0.000402,5.67e-07
1895,2.94e-06,0.000402,5.820000000000001e-07
1896,3.07e-06,0.00040300000000000004,5.98e-07
1897,3.19e-06,0.000404,6.14e-07
1898,3.32e-06,0.00040500000000000003,6.3e-07
1899,3.46e-06,0.000406,6.47e-07
1900,3.6e-06,0.00040699999999999997,6.65e-07
1901,3.76e-06,0.000408,6.82e-07
1902,3.95e-06,0.00040899999999999997,7.01e-07
1903,4.16e-06,0.00041,7.200000000000001e-07
1904,4.38e-06,0.00041099999999999996,7.389999999999999e-07
1905,4.610000000000001e-06,0.000412,7.590000000000001e-07
1906,4.83e-06,0.00041299999999999996,7.799999999999999e-07
1907,5.05e-06,0.000414,8.02e-07
1908,5.24e-06,0.000415,8.25e-07
1909,5.41e-06,0.000416,8.499999999999999e-07
1910,5.5399999999999995e-06,0.000417,8.75e-07
1911,5.649999999999999e-06,0.00041799999999999997,9.02e-07
1912,5.760000000000001e-06,0.00041999999999999996,9.32e-07
1913,5.86e-06,0.000421,9.64e-07
1914,5.96e-06,0.000422,9.970000000000002e-07
1915,6.05e-06,0.000423,1.03e-06
1916,6.13e-06,0.000424,1.07e-06
1917,6.2e-06,0.000425,1.1e-06
1918,6.26e-06,0.00042699999999999997,1.1399999999999999e-06
1919,6.31e-06,0.000429,1.1800000000000001e-06
1920,6.34e-06,0.000431,1.2099999999999998e-06
1921,6.36e-06,0.000434,1.24e-06
1922,6.38e-06,0.00044,1.28e-06
1923,6.4000000000000006e-06,0.000447,1.31e-06
1924,6.42e-06,0.000456,1.34e-06
1925,6.43e-06,0.000467,1.38e-06
1926,6.45e-06,0.00047799999999999996,1.41e-06
1927,6.46e-06,0.00049,1.4400000000000002e-06
1928,6.48e-06,0.000503,1.48e-06
1929,6.51e-06,0.000516,1.52e-06
1930,6.54e-06,0.00053,1.5599999999999999e-06
1931,6.61e-06,0.000544,1.61e-06
1932,6.73e-06,0.0005600000000000001,1.66e-06
1933,6.89e-06,0.0005769999999999999,1.71e-06
1934,7.100000000000001e-06,0.0005949999999999999,1.76e-06
1935,7.33e-06,0.000615,1.81e-06
1936,7.59e-06,0.0006360000000000001,1.8699999999999999e-06
1937,7.860000000000001e-06,0.0006580000000000001,1.93e-06
1938,8.13e-06,0.0006810000000000001,1.99e-06
1939,8.4e-06,0.000704,2.06e-06
1940,8.66e-06,0.000728,2.12e-06
1941,8.920000000000001e-06,0.000752,2.19e-06
1942,9.18e-06,0.000775,2.26e-06
1943,9.46e-06,0.000799,2.33e-06
1944,9.780000000000001e-06,0.000825,2.4e-06
1945,1.01e-05,0.000852,2.47e-06
1946,1.0500000000000001e-05,0.0008810000000000001,2.55e-06
1947,1.1e-05,0.000914,2.64e-06
1948,1.1599999999999999e-05,0.00095,2.7200000000000002e-06
1949,1.22e-05,0.00099,2.82e-06
1950,1.3e-05,0.0010400000000000001,2.92e-06
1951,1.49e-05,0.0011,3.04e-06
1952,1.89e-05,0.0011899999999999999,3.19e-06
1953,2.4299999999999998e-05,0.00131,3.3700000000000003e-06
1954,3.08e-05,0.0014399999999999999,3.56e-06
1955,3.78e-05,0.00157,3.7499999999999997e-06
1956,4.49e-05,0.00171,3.92e-06
1957,5.14e-05,0.00184,4.08e-06
1958,5.7e-05,0.00196,4.21e-06
1959,6.12e-05,0.0020499999999999997,4.2900000000000004e-06
1960,6.35e-05,0.00212,4.32e-06
1961,6.45e-05,0.00217,4e-06
1962,6.55e-05,0.0022,4.6e-06
1963,6.63e-05,0.0022400000000000002,5.6e-06
1964,6.7e-05,0.00226,5.6e-06
1965,6.759999999999999e-05,0.00229,5.6e-06
1966,6.809999999999999e-05,0.00231,5.6e-06
1967,6.850000000000001e-05,0.00234,5.4e-06
1968,6.88e-05,0.00237,5.199999999999999e-06
1969,6.900000000000001e-05,0.0024100000000000002,5.199999999999999e-06
1970,8.42e-05,0.0024100000000000002,6.3e-06
1971,8.42e-05,0.00265,6.4000000000000006e-06
1972,7.78e-05,0.00265,6.6e-06
1973,8.77e-05,0.00264,6.799999999999999e-06
1974,9.44e-05,0.00262,6.799999999999999e-06
1975,9.470000000000001e-05,0.00261,7e-06
1976,8.989999999999999e-05,0.00259,7e-06
1977,8.219999999999999e-05,0.0025800000000000003,7.2e-06
1978,0.00011300000000000001,0.00256,7.4e-06
1979,0.00010899999999999999,0.00257,8.999999999999999e-06
1980,0.000118,0.0025800000000000003,8.999999999999999e-06
1981,9.96e-05,0.00265,8.999999999999999e-06
1982,9.97e-05,0.0027400000000000002,8.999999999999999e-06
1983,0.00014000000000000001,0.0028399999999999996,8e-06
1984,0.000129,0.00294,8e-06
1985,0.00010899999999999999,0.00304,8e-06
1986,0.000122,0.00318,8.999999999999999e-06
1987,0.000155,0.0033,8.999999999999999e-06
1988,0.000149,0.0034300000000000003,8.999999999999999e-06
1989,0.00015900000000000002,0.0035600000000000002,8.999999999999999e-06
1990,0.0012,0.00368,8.999999999999999e-06
1991,0.00131,0.00376,8.999999999999999e-06
1992,0.00145,0.0038599999999999997,8.999999999999999e-06
1993,0.00163,0.00392,9.2e-06
1994,0.00124,0.004,8.6e-06
1995,0.00124,0.004070000000000001,8.6e-06
1996,0.00141,0.00415,8.4e-06
1997,0.0011,0.00422,8.4e-06
1998,0.0012,0.0043,1e-05
1999,0.00136,0.00437,1.2e-05
2000,0.000941,0.00444,1e-05
2001,0.000902,0.00455,1.2e-05
2002,0.000731,0.0046500000000000005,1.2e-05
2003,0.000699,0.00475,1.4e-05
2004,0.00122,0.004849999999999999,1.2e-05
2005,0.00155,0.004940000000000001,1.4e-05
2006,0.0016899999999999999,0.005059999999999999,1.4e-05
2007,0.00138,0.00517,1.56e-05
2008,0.00134,0.0052699999999999995,1.4e-05
2009,0.00111,0.0054,1.4e-05
2010,0.0007650000000000001,0.00551,1.4e-05
2011,0.000852,0.0056500000000000005,1.4e-05
2012,0.000957,0.0058,1.4999999999999999e-05
2013,0.000518,0.0059299999999999995,1.46e-05
2014,0.000457,0.00607,1.44e-05
2015,0.000601,0.00621,1.49e-05
2016,0.0007019999999999999,0.00626,1.56e-05
2017,0.0006670000000000001,0.00638,1.54e-05
2018,0.000631,0.0065,1.56e-05