year,IPC1,IPC2,IPC4,IPCMAG
1850,9.120000000000001e-05,0.000127,1.22e-06,1.88e-07
1851,9.6e-05,0.000133,1.28e-06,1.98e-07
1852,0.000101,0.00014000000000000001,1.35e-06,2.0799999999999998e-07
1853,0.000107,0.000148,1.43e-06,2.2e-07
1854,0.00011300000000000001,0.000156,1.5e-06,2.32e-07
1855,0.00011899999999999999,0.000165,1.59e-06,2.45e-07
1856,0.000125,0.000174,1.67e-06,2.58e-07
1857,0.000132,0.000183,1.76e-06,2.72e-07
1858,0.00013900000000000002,0.000193,1.8600000000000002e-06,2.86e-07
1859,0.000146,0.000203,1.95e-06,3.01e-07
1860,0.000154,0.000213,2.0500000000000003e-06,3.1599999999999997e-07
1861,0.000161,0.000224,2.16e-06,3.32e-07
1862,0.00016900000000000002,0.000235,2.26e-06,3.49e-07
1863,0.000178,0.000247,2.38e-06,3.66e-07
1864,0.000187,0.000259,2.49e-06,3.8499999999999997e-07
1865,0.00019600000000000002,0.000272,2.62e-06,4.04e-07
1866,0.000206,0.000285,2.75e-06,4.24e-07
1867,0.000216,0.0003,2.8800000000000004e-06,4.44e-07
1868,0.00022600000000000002,0.000314,3.0200000000000003e-06,4.66e-07
1869,0.000237,0.00032900000000000003,3.17e-06,4.89e-07
1870,0.000249,0.000345,3.32e-06,5.119999999999999e-07
1871,0.000261,0.00036199999999999996,3.48e-06,5.37e-07
1872,0.00027400000000000005,0.00038,3.66e-06,5.64e-07
1873,0.000287,0.000399,3.8400000000000005e-06,5.92e-07
1874,0.00030199999999999997,0.000419,4.0299999999999995e-06,6.210000000000001e-07
1875,0.000317,0.000439,4.23e-06,6.520000000000001e-07
1876,0.000332,0.00046100000000000004,4.440000000000001e-06,6.84e-07
1877,0.000348,0.000483,4.6499999999999995e-06,7.17e-07
1878,0.000365,0.000506,4.87e-06,7.51e-07
1879,0.000381,0.0005290000000000001,5.0899999999999995e-06,7.85e-07
1880,0.000399,0.000553,5.32e-06,8.210000000000001e-07
1881,0.000416,0.0005769999999999999,5.55e-06,8.56e-07
1882,0.000434,0.000602,5.79e-06,8.930000000000001e-07
1883,0.00045200000000000004,0.000628,6.040000000000001e-06,9.31e-07
1884,0.00047099999999999996,0.0006540000000000001,6.3e-06,9.709999999999999e-07
1885,0.000491,0.0006810000000000001,6.56e-06,1.01e-06
1886,0.000512,0.0007099999999999999,6.83e-06,1.05e-06
1887,0.000533,0.000739,7.11e-06,1.1e-06
1888,0.000555,0.000769,7.41e-06,1.1399999999999999e-06
1889,0.0005769999999999999,0.0008010000000000001,7.709999999999999e-06,1.19e-06
1890,0.000631,0.000789,8.42e-06,1.2999999999999998e-06
1891,0.0006540000000000001,0.000789,8.73e-06,1.35e-06
1892,0.000679,0.000789,9.06e-06,1.4e-06
1893,0.000705,0.000789,9.42e-06,1.4499999999999999e-06
1894,0.000734,0.000789,9.8e-06,1.5100000000000002e-06
1895,0.000764,0.000789,1.02e-05,1.57e-06
1896,0.000795,0.000789,1.06e-05,1.64e-06
1897,0.000828,0.000789,1.11e-05,1.6999999999999998e-06
1898,0.000862,0.000789,1.15e-05,1.77e-06
1899,0.000897,0.000789,1.2e-05,1.85e-06
1900,0.000934,0.000789,1.25e-05,1.9200000000000003e-06
1901,0.0009739999999999999,0.000789,1.3e-05,2.0100000000000002e-06
1902,0.00102,0.000789,1.3599999999999999e-05,2.1e-06
1903,0.00107,0.000789,1.43e-05,2.2e-06
1904,0.0011200000000000001,0.00079,1.4999999999999999e-05,2.31e-06
1905,0.0011799999999999998,0.00079,1.57e-05,2.43e-06
1906,0.00123,0.00079,1.6400000000000002e-05,2.5400000000000002e-06
1907,0.00128,0.000791,1.7100000000000002e-05,2.64e-06
1908,0.00133,0.0007920000000000001,1.77e-05,2.74e-06
1909,0.0013700000000000001,0.0007930000000000001,1.83e-05,2.82e-06
1910,0.0014,0.000794,1.87e-05,2.8900000000000003e-06
1911,0.0014299999999999998,0.000812,1.91e-05,2.94e-06
1912,0.00145,0.000864,1.94e-05,2.99e-06
1913,0.00148,0.000945,1.9699999999999998e-05,3.04e-06
1914,0.0015,0.0010500000000000002,2e-05,3.0799999999999997e-06
1915,0.00151,0.00117,2.02e-05,3.1199999999999998e-06
1916,0.0015300000000000001,0.00131,2.05e-05,3.15e-06
1917,0.00155,0.00147,2.07e-05,3.19e-06
1918,0.00157,0.00163,2.1000000000000002e-05,3.23e-06
1919,0.00159,0.0017900000000000001,2.12e-05,3.28e-06
1920,0.00161,0.00195,2.16e-05,3.32e-06
1921,0.00164,0.00212,2.19e-05,3.3700000000000003e-06
1922,0.00166,0.0023,2.22e-05,3.42e-06
1923,0.0016899999999999999,0.0025099999999999996,2.2499999999999998e-05,3.47e-06
1924,0.00171,0.0027400000000000002,2.2800000000000002e-05,3.52e-06
1925,0.00174,0.00299,2.3199999999999998e-05,3.5699999999999997e-06
1926,0.00176,0.00325,2.36e-05,3.63e-06
1927,0.0018,0.0035299999999999997,2.4e-05,3.7e-06
1928,0.00183,0.00383,2.44e-05,3.77e-06
1929,0.0018700000000000001,0.00414,2.5e-05,3.85e-06
1930,0.00191,0.00447,2.55e-05,3.9399999999999995e-06
1931,0.00197,0.00481,2.63e-05,4.05e-06
1932,0.00204,0.00517,2.7300000000000003e-05,4.2e-06
1933,0.00213,0.00555,2.8400000000000003e-05,4.3899999999999995e-06
1934,0.0022299999999999998,0.00596,2.98e-05,4.59e-06
1935,0.00234,0.00641,3.13e-05,4.82e-06
1936,0.00246,0.00691,3.29e-05,5.07e-06
1937,0.00259,0.00746,3.4500000000000005e-05,5.32e-06
1938,0.00271,0.00808,3.6200000000000006e-05,5.590000000000001e-06
1939,0.0028399999999999996,0.00877,3.7900000000000006e-05,5.85e-06
1940,0.00297,0.00954,3.96e-05,6.11e-06
1941,0.00309,0.0106,4.13e-05,6.37e-06
1942,0.00322,0.0119,4.2999999999999995e-05,6.629999999999999e-06
1943,0.00335,0.0136,4.48e-05,6.9e-06
1944,0.00349,0.0156,4.66e-05,7.18e-06
1945,0.00363,0.0178,4.85e-05,7.4799999999999995e-06
1946,0.00378,0.0201,5.05e-05,7.79e-06
1947,0.00394,0.022600000000000002,5.2699999999999993e-05,8.12e-06
1948,0.00412,0.0251,5.5e-05,8.47e-06
1949,0.0114,0.027600000000000003,0.000152,2.34e-05
1950,0.0116,0.030100000000000002,0.000155,2.39e-05
1951,0.0116,0.032600000000000004,0.000155,2.39e-05
1952,0.019899999999999998,0.0351,0.000266,4.1e-05
1953,0.013300000000000001,0.0378,0.000177,2.7400000000000002e-05
1954,0.0149,0.0405,0.0002,3.08e-05
1955,0.0183,0.0433,0.000244,3.76e-05
1956,0.0183,0.046299999999999994,0.000244,3.76e-05
1957,0.0216,0.0495,0.00028799999999999995,4.44e-05
1958,0.0216,0.052899999999999996,0.00028799999999999995,4.44e-05
1959,0.0249,0.0565,0.000333,5.13e-05
1960,0.0299,0.060399999999999995,0.000399,6.15e-05
1961,0.0415,0.0644,0.000554,8.55e-05
1962,0.0399,0.0687,0.000532,8.21e-05
1963,0.0482,0.0733,0.000643,9.92e-05
1964,0.0598,0.0782,0.000798,0.000123
1965,0.0598,0.0835,0.000798,0.000123
1966,0.0814,0.08929999999999999,0.00109,0.00016800000000000002
1967,0.0897,0.09570000000000001,0.0012,0.000185
1968,0.088,0.103,0.0011799999999999998,0.00018099999999999998
1969,0.11,0.111,0.00146,0.00022600000000000002
1970,0.125,0.119,0.00145,0.00019600000000000002
1971,0.143,0.131,0.00145,0.00019600000000000002
1972,0.154,0.203,0.00152,0.00029499999999999996
1973,0.156,0.212,0.00158,0.00029499999999999996
1974,0.141,0.23,0.00164,0.000781
1975,0.141,0.261,0.0017,0.0008269999999999999
1976,0.146,0.282,0.00176,0.00091
1977,0.209,0.312,0.00183,0.000412
1978,0.161,0.347,0.0019,0.000855
1979,0.626,0.389,0.00198,0.00182
1980,0.257,0.433,0.00206,0.0010500000000000002
1981,0.219,0.452,0.00216,0.000966
1982,0.269,0.451,0.00228,0.00123
1983,0.194,0.427,0.0024,0.00151
1984,0.221,0.465,0.0025299999999999997,0.0032400000000000003
1985,0.184,0.527,0.00266,0.00531
1986,0.242,0.58,0.00279,0.00545
1987,0.264,0.627,0.00292,0.0052699999999999995
1988,0.274,0.664,0.0030600000000000002,0.00679
1989,0.291,0.716,0.00319,0.009470000000000001
1990,0.261,0.739,0.00333,0.00679
1991,0.294,0.756,0.00346,0.00679
1992,0.451,0.773,0.00359,0.00841
1993,0.378,0.577,0.00373,0.007019999999999999
1994,0.607,0.768,0.0038799999999999998,0.00707
1995,0.865,0.827,0.00395,0.00859
1996,1.1,0.809,0.004059999999999999,0.00826
1997,1.03,0.388,0.00431,0.008140000000000001
1998,0.963,0.754,0.00428,0.00975
1999,1.34,1.01,0.00442,0.00858
2000,1.2,0.725,0.00452,0.00479
2001,1.02,0.811,0.00461,0.0076
2002,1.1,0.914,0.004889999999999999,0.01
2003,1.34,1.17,0.00522,0.0062699999999999995
2004,1.25,1.19,0.00546,0.010199999999999999
2005,1.2,1.23,0.00562,0.00152
2006,1.12,1.14,0.00579,0.0028
2007,1.07,1.07,0.00595,0.0047599999999999995
2008,1.34,0.949,0.00767,0.00225
2009,2.51,1.03,0.00789,0.00797
2010,2.31,1.05,0.00789,0.00793
2011,2.12,1.13,0.009869999999999999,0.013300000000000001
2012,1.86,1.12,0.0108,0.0135
2013,2.09,0.994,0.011300000000000001,0.013
2014,2.32,0.964,0.011699999999999999,0.0162
2015,2.74,1.35,0.012199999999999999,0.0135
2016,2.84,1.36,0.0126,0.013699999999999999
2017,3.09,1.37,0.013099999999999999,0.0143
2018,3.25,1.38,0.0136,0.0149