year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00029499999999999996,4.5600000000000004e-05,2.34e-07,6.46e-08
1851,0.00031,4.8e-05,2.46e-07,6.8e-08
1852,0.00032700000000000003,5.05e-05,2.5900000000000003e-07,7.17e-08
1853,0.000345,5.33e-05,2.73e-07,7.559999999999999e-08
1854,0.000364,5.62e-05,2.88e-07,7.98e-08
1855,0.000384,5.93e-05,3.04e-07,8.42e-08
1856,0.00040500000000000003,6.26e-05,3.21e-07,8.88e-08
1857,0.00042699999999999997,6.59e-05,3.38e-07,9.35e-08
1858,0.00045,6.94e-05,3.5599999999999996e-07,9.85e-08
1859,0.00047299999999999995,7.3e-05,3.74e-07,1.0399999999999999e-07
1860,0.000497,7.68e-05,3.94e-07,1.0900000000000001e-07
1861,0.000522,8.060000000000001e-05,4.13e-07,1.14e-07
1862,0.0005480000000000001,8.47e-05,4.34e-07,1.2000000000000002e-07
1863,0.0005759999999999999,8.89e-05,4.56e-07,1.26e-07
1864,0.0006039999999999999,9.329999999999999e-05,4.78e-07,1.3200000000000002e-07
1865,0.000634,9.800000000000001e-05,5.019999999999999e-07,1.39e-07
1866,0.000666,0.000103,5.27e-07,1.46e-07
1867,0.0006979999999999999,0.000108,5.53e-07,1.53e-07
1868,0.000732,0.00011300000000000001,5.8e-07,1.6e-07
1869,0.000768,0.00011899999999999999,6.08e-07,1.68e-07
1870,0.000805,0.000124,6.37e-07,1.76e-07
1871,0.000844,0.00013000000000000002,6.68e-07,1.85e-07
1872,0.000885,0.00013700000000000002,7.01e-07,1.94e-07
1873,0.000929,0.00014399999999999998,7.36e-07,2.04e-07
1874,0.000976,0.00015099999999999998,7.73e-07,2.14e-07
1875,0.00102,0.000158,8.109999999999999e-07,2.24e-07
1876,0.00107,0.000166,8.51e-07,2.35e-07
1877,0.00113,0.000174,8.92e-07,2.47e-07
1878,0.0011799999999999998,0.000182,9.340000000000001e-07,2.58e-07
1879,0.00123,0.000191,9.77e-07,2.7e-07
1880,0.0012900000000000001,0.000199,1.02e-06,2.82e-07
1881,0.00135,0.000208,1.07e-06,2.9500000000000003e-07
1882,0.0014,0.000217,1.1100000000000002e-06,3.07e-07
1883,0.00146,0.00022600000000000002,1.16e-06,3.21e-07
1884,0.00152,0.000235,1.2099999999999998e-06,3.34e-07
1885,0.00159,0.000245,1.26e-06,3.48e-07
1886,0.00165,0.000256,1.31e-06,3.6200000000000004e-07
1887,0.00172,0.000266,1.3600000000000001e-06,3.77e-07
1888,0.0017900000000000001,0.000277,1.42e-06,3.93e-07
1889,0.0018700000000000001,0.00028799999999999995,1.48e-06,4.09e-07
1890,0.00204,0.00028399999999999996,1.62e-06,4.47e-07
1891,0.00211,0.00028399999999999996,1.67e-06,4.63e-07
1892,0.00219,0.00028399999999999996,1.74e-06,4.81e-07
1893,0.00228,0.00028399999999999996,1.81e-06,5e-07
1894,0.00237,0.00028399999999999996,1.88e-06,5.2e-07
1895,0.0024700000000000004,0.00028399999999999996,1.96e-06,5.41e-07
1896,0.00257,0.00028399999999999996,2.04e-06,5.63e-07
1897,0.00268,0.00028399999999999996,2.12e-06,5.87e-07
1898,0.00279,0.00028399999999999996,2.21e-06,6.11e-07
1899,0.0029,0.00028399999999999996,2.3e-06,6.359999999999999e-07
1900,0.00302,0.00028399999999999996,2.39e-06,6.620000000000001e-07
1901,0.00315,0.00028399999999999996,2.49e-06,6.9e-07
1902,0.0033,0.00028399999999999996,2.61e-06,7.23e-07
1903,0.00346,0.00028399999999999996,2.74e-06,7.590000000000001e-07
1904,0.00364,0.00028399999999999996,2.8800000000000004e-06,7.97e-07
1905,0.00381,0.00028399999999999996,3.0200000000000003e-06,8.35e-07
1906,0.00398,0.000285,3.15e-06,8.729999999999999e-07
1907,0.00415,0.000285,3.28e-06,9.09e-07
1908,0.0043,0.000285,3.3999999999999996e-06,9.42e-07
1909,0.00443,0.000285,3.5100000000000003e-06,9.709999999999999e-07
1910,0.00454,0.00028599999999999996,3.59e-06,9.940000000000001e-07
1911,0.00463,0.00029299999999999997,3.66e-06,1.01e-06
1912,0.0047,0.000311,3.7200000000000004e-06,1.03e-06
1913,0.00477,0.00034,3.78e-06,1.05e-06
1914,0.00484,0.000378,3.83e-06,1.06e-06
1915,0.004900000000000001,0.000423,3.88e-06,1.07e-06
1916,0.00496,0.00047299999999999995,3.92e-06,1.09e-06
1917,0.005019999999999999,0.000528,3.969999999999999e-06,1.1e-06
1918,0.00508,0.000585,4.0200000000000005e-06,1.1100000000000002e-06
1919,0.00515,0.000643,4.07e-06,1.13e-06
1920,0.00522,0.0007009999999999999,4.13e-06,1.1399999999999999e-06
1921,0.0053,0.000762,4.2e-06,1.16e-06
1922,0.00538,0.00083,4.26e-06,1.1800000000000001e-06
1923,0.00545,0.000905,4.32e-06,1.19e-06
1924,0.00553,0.000986,4.38e-06,1.2099999999999998e-06
1925,0.00561,0.00107,4.45e-06,1.2299999999999999e-06
1926,0.00571,0.00117,4.52e-06,1.25e-06
1927,0.005809999999999999,0.00127,4.6e-06,1.2700000000000001e-06
1928,0.00592,0.00138,4.69e-06,1.2999999999999998e-06
1929,0.00604,0.00149,4.78e-06,1.32e-06
1930,0.00618,0.00161,4.9e-06,1.3600000000000001e-06
1931,0.00637,0.00173,5.04e-06,1.39e-06
1932,0.0066,0.00186,5.23e-06,1.4499999999999999e-06
1933,0.006889999999999999,0.002,5.45e-06,1.5100000000000002e-06
1934,0.00721,0.00215,5.7099999999999995e-06,1.5800000000000001e-06
1935,0.00757,0.00231,6e-06,1.66e-06
1936,0.00796,0.00249,6.3e-06,1.74e-06
1937,0.00836,0.00269,6.62e-06,1.83e-06
1938,0.00877,0.0029100000000000003,6.9499999999999995e-06,1.9200000000000003e-06
1939,0.00919,0.00316,7.28e-06,2.0100000000000002e-06
1940,0.0096,0.00344,7.6e-06,2.1e-06
1941,0.01,0.0038,7.92e-06,2.19e-06
1942,0.0104,0.0043,8.25e-06,2.2799999999999998e-06
1943,0.0108,0.00491,8.59e-06,2.38e-06
1944,0.011300000000000001,0.00562,8.94e-06,2.47e-06
1945,0.011800000000000001,0.00641,9.299999999999999e-06,2.57e-06
1946,0.012199999999999999,0.00725,9.69e-06,2.68e-06
1947,0.0128,0.008140000000000001,1.01e-05,2.8e-06
1948,0.013300000000000001,0.00904,1.0500000000000001e-05,2.92e-06
1949,0.013900000000000001,0.00996,1.1e-05,3.05e-06
1950,0.0145,0.0109,1.15e-05,3.19e-06
1951,0.015300000000000001,0.011699999999999999,1.21e-05,3.35e-06
1952,0.0162,0.0127,1.29e-05,3.56e-06
1953,0.0173,0.0136,1.3700000000000001e-05,3.79e-06
1954,0.0184,0.0146,1.46e-05,4.04e-06
1955,0.019600000000000003,0.0156,1.55e-05,4.3e-06
1956,0.0208,0.0167,1.6400000000000002e-05,4.5500000000000005e-06
1957,0.0219,0.0178,1.73e-05,4.79e-06
1958,0.0229,0.019,1.8100000000000003e-05,5.0099999999999995e-06
1959,0.0237,0.020300000000000002,1.88e-05,5.199999999999999e-06
1960,0.024399999999999998,0.0217,1.93e-05,5.3400000000000005e-06
1961,0.0249,0.0232,1.9699999999999998e-05,5.459999999999999e-06
1962,0.0254,0.0247,2.02e-05,5.58e-06
1963,0.026,0.0264,2.06e-05,5.69e-06
1964,0.0265,0.0281,2.09e-05,5.7999999999999995e-06
1965,0.0275,0.030100000000000002,2.18e-05,6.02e-06
1966,0.048,0.0322,3.8e-05,1.0500000000000001e-05
1967,0.054,0.0345,4.28e-05,1.18e-05
1968,0.0625,0.037,4.9500000000000004e-05,1.3700000000000001e-05
1969,0.06720000000000001,0.039799999999999995,5.32e-05,1.47e-05
1970,0.0778,0.0363,6.16e-05,1.7100000000000002e-05
1971,0.084,0.0367,6.65e-05,1.84e-05
1972,0.0845,0.0337,6.69e-05,1.85e-05
1973,0.093,0.0344,7.36e-05,2.04e-05
1974,0.09079999999999999,0.033100000000000004,7.19e-05,1.9900000000000003e-05
1975,0.109,0.0254,8.64e-05,2.23e-05
1976,0.18,0.0208,0.00014199999999999998,2.19e-05
1977,0.218,0.021,0.00017199999999999998,2.23e-05
1978,0.248,0.0179,0.00019600000000000002,2.3199999999999998e-05
1979,0.268,0.0195,0.000212,2.46e-05
1980,0.278,0.019600000000000003,0.00022,2.52e-05
1981,0.361,0.0195,0.000285,2.61e-05
1982,0.371,0.0207,0.000294,2.6700000000000002e-05
1983,0.338,0.016800000000000002,0.000268,2.7199999999999997e-05
1984,0.348,0.014199999999999999,0.00027600000000000004,2.7e-05
1985,0.403,0.016300000000000002,0.000319,2.87e-05
1986,0.451,0.0166,0.000357,2.94e-05
1987,0.459,0.024399999999999998,0.000364,3.01e-05
1988,0.516,0.0248,0.000408,3.09e-05
1989,0.57,0.0232,0.000451,3.16e-05
1990,0.968,0.0207,0.000766,3.24e-05
1991,1.06,0.0106,0.0008359999999999999,3.31e-05
1992,1.16,0.00975,0.000915,3.39e-05
1993,1.39,0.0095,0.0011,3.46e-05
1994,1.57,0.019399999999999997,0.001,3.53e-05
1995,1.62,0.0201,0.001,3.61e-05
1996,1.72,0.033299999999999996,0.001,3.68e-05
1997,1.77,0.0357,0.0011,3.76e-05
1998,1.83,0.08270000000000001,0.0011,3.83e-05
1999,1.66,0.0864,0.0012,3.91e-05
2000,1.64,0.0911,0.0012,3.9800000000000005e-05
2001,2.02,0.0963,0.0013,4.05e-05
2002,1.76,0.1,0.0013,4.13e-05
2003,1.88,0.106,0.0014,4.2000000000000004e-05
2004,1.96,0.109,0.0014,4.28e-05
2005,2.31,0.118,0.0015,4.35e-05
2006,2.33,0.12,0.0016,4.43e-05
2007,2.36,0.129,0.0017,4.4999999999999996e-05
2008,3.33,0.135,0.0017,4.57e-05
2009,3.07,0.138,0.0018,4.65e-05
2010,3.1,0.143,0.0019,4.72e-05
2011,2.64,0.147,0.0021000000000000003,4.8e-05
2012,3.13,0.251,0.0023,4.87e-05
2013,2.3,0.326,0.0023,4.9500000000000004e-05
2014,3.4,0.349,0.0024,5.02e-05
2015,3.48,0.381,0.00242,5.0900000000000004e-05
2016,3.54,0.382,0.0025099999999999996,5.17e-05
2017,3.78,0.383,0.0026,5.24e-05
2018,3.7,0.383,0.00269,5.32e-05