year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0011799999999999998,0.000128,3.6000000000000005e-07,1.2e-05
1851,0.00125,0.000135,3.79e-07,1.26e-05
1852,0.00131,0.00014299999999999998,4.0000000000000003e-07,1.33e-05
1853,0.00138,0.00015,4.22e-07,1.4e-05
1854,0.00146,0.00015900000000000002,4.45e-07,1.48e-05
1855,0.0015400000000000001,0.00016700000000000002,4.6900000000000003e-07,1.56e-05
1856,0.0016200000000000001,0.000176,4.95e-07,1.65e-05
1857,0.00171,0.000186,5.22e-07,1.73e-05
1858,0.0018,0.00019600000000000002,5.490000000000001e-07,1.83e-05
1859,0.0019,0.000206,5.779999999999999e-07,1.92e-05
1860,0.00199,0.000216,6.07e-07,2.02e-05
1861,0.00209,0.00022700000000000002,6.38e-07,2.12e-05
1862,0.0022,0.00023899999999999998,6.7e-07,2.23e-05
1863,0.00231,0.000251,7.03e-07,2.34e-05
1864,0.00242,0.000263,7.380000000000001e-07,2.46e-05
1865,0.00254,0.00027600000000000004,7.75e-07,2.58e-05
1866,0.00267,0.00029,8.13e-07,2.7e-05
1867,0.0028,0.000304,8.53e-07,2.8400000000000003e-05
1868,0.00294,0.000319,8.94e-07,2.98e-05
1869,0.0030800000000000003,0.00033400000000000004,9.380000000000001e-07,3.12e-05
1870,0.00323,0.00035,9.83e-07,3.27e-05
1871,0.0033799999999999998,0.000367,1.03e-06,3.43e-05
1872,0.0035499999999999998,0.000386,1.08e-06,3.5999999999999994e-05
1873,0.00373,0.00040500000000000003,1.1399999999999999e-06,3.78e-05
1874,0.00391,0.000425,1.19e-06,3.9699999999999996e-05
1875,0.00411,0.000446,1.25e-06,4.1599999999999995e-05
1876,0.00431,0.00046800000000000005,1.31e-06,4.3700000000000005e-05
1877,0.00452,0.00049,1.38e-06,4.58e-05
1878,0.004730000000000001,0.000514,1.4400000000000002e-06,4.79e-05
1879,0.00495,0.000537,1.5100000000000002e-06,5.01e-05
1880,0.00517,0.0005610000000000001,1.57e-06,5.24e-05
1881,0.0054,0.0005859999999999999,1.64e-06,5.47e-05
1882,0.00563,0.000611,1.71e-06,5.7e-05
1883,0.00587,0.000637,1.79e-06,5.9499999999999996e-05
1884,0.0061200000000000004,0.000664,1.8600000000000002e-06,6.2e-05
1885,0.00637,0.0006919999999999999,1.94e-06,6.46e-05
1886,0.00664,0.000721,2.02e-06,6.72e-05
1887,0.00691,0.00075,2.1e-06,7.000000000000001e-05
1888,0.0072,0.000781,2.19e-06,7.290000000000001e-05
1889,0.00749,0.0008129999999999999,2.2799999999999998e-06,7.59e-05
1890,0.00838,0.0008010000000000001,2.55e-06,8.49e-05
1891,0.00871,0.0008010000000000001,2.65e-06,8.83e-05
1892,0.00908,0.0008010000000000001,2.76e-06,9.2e-05
1893,0.00948,0.0008010000000000001,2.8900000000000003e-06,9.6e-05
1894,0.00991,0.0008010000000000001,3.0200000000000003e-06,0.0001
1895,0.0104,0.0008010000000000001,3.1600000000000002e-06,0.00010499999999999999
1896,0.0109,0.0008010000000000001,3.31e-06,0.00011
1897,0.0114,0.0008010000000000001,3.47e-06,0.000115
1898,0.0119,0.0008010000000000001,3.63e-06,0.000121
1899,0.0125,0.0008010000000000001,3.81e-06,0.000127
1900,0.013099999999999999,0.0008010000000000001,3.98e-06,0.000132
1901,0.013699999999999999,0.0008010000000000001,4.17e-06,0.00013900000000000002
1902,0.0144,0.0008010000000000001,4.3899999999999995e-06,0.000146
1903,0.0152,0.0008010000000000001,4.62e-06,0.000154
1904,0.016,0.0008020000000000001,4.86e-06,0.000162
1905,0.016800000000000002,0.0008020000000000001,5.12e-06,0.00017
1906,0.0177,0.000803,5.38e-06,0.000179
1907,0.0185,0.000803,5.64e-06,0.000188
1908,0.019399999999999997,0.000803,5.9e-06,0.00019600000000000002
1909,0.0202,0.000803,6.15e-06,0.000205
1910,0.021,0.000803,6.4000000000000006e-06,0.000213
1911,0.0218,0.000803,6.629999999999999e-06,0.000221
1912,0.0225,0.000803,6.8599999999999995e-06,0.000228
1913,0.0233,0.000803,7.09e-06,0.000236
1914,0.024,0.000803,7.3099999999999995e-06,0.000243
1915,0.0247,0.000803,7.54e-06,0.000251
1916,0.0255,0.000803,7.77e-06,0.000258
1917,0.0257,0.000803,7.820000000000001e-06,0.00026000000000000003
1918,0.0257,0.000803,7.820000000000001e-06,0.00026000000000000003
1919,0.0257,0.000803,7.820000000000001e-06,0.00026000000000000003
1920,0.0257,0.000803,7.820000000000001e-06,0.00026000000000000003
1921,0.0257,0.000829,7.820000000000001e-06,0.00026000000000000003
1922,0.0257,0.000901,7.820000000000001e-06,0.00026000000000000003
1923,0.0367,0.00101,1.12e-05,0.000371
1924,0.044,0.00116,1.34e-05,0.000446
1925,0.0697,0.00133,2.12e-05,0.0007059999999999999
1926,0.0917,0.0015300000000000001,2.79e-05,0.000929
1927,0.235,0.00174,7.149999999999999e-05,0.0023799999999999997
1928,0.473,0.00196,0.00014399999999999998,0.00479
1929,0.601,0.00219,0.000183,0.00609
1930,0.678,0.0024100000000000002,0.000207,0.00687
1931,0.766,0.00264,0.00023300000000000003,0.0077599999999999995
1932,0.711,0.0029,0.000217,0.00721
1933,0.726,0.00317,0.000221,0.00736
1934,0.733,0.00347,0.000223,0.00743
1935,0.777,0.0111,0.000237,0.00788
1936,0.876,0.0041600000000000005,0.00026700000000000004,0.00888
1937,0.975,0.00454,0.000297,0.009880000000000002
1938,1.03,0.00495,0.000315,0.0105
1939,1.06,0.0127,0.000323,0.0107
1940,1.08,0.013099999999999999,0.00032900000000000003,0.011
1941,0.722,0.013699999999999999,0.00022,0.00732
1942,1.04,0.0179,0.000317,0.0106
1943,1.04,0.0222,0.000317,0.0106
1944,1.31,0.026600000000000002,0.0004,0.013300000000000001
1945,1.21,0.0275,0.000368,0.0123
1946,1.09,0.028399999999999998,0.000331,0.011
1947,1.14,0.0257,0.000347,0.0116
1948,1.27,0.0303,0.000386,0.0129
1949,1.28,0.0386,0.000389,0.0129
1950,0.711,0.0433,0.000217,0.00721
1951,0.664,0.0554,0.000202,0.006719999999999999
1952,0.851,0.0603,0.000259,0.00862
1953,0.777,0.0616,0.000237,0.00788
1954,0.917,0.06670000000000001,0.000279,0.00929
1955,1.13,0.0937,0.00034300000000000004,0.0114
1956,1.22,0.0989,0.000372,0.0124
1957,1.06,0.101,0.000322,0.0107
1958,1.24,0.106,0.000379,0.0126
1959,1.22,0.104,0.000371,0.0123
1960,1.66,0.128,0.000507,0.0169
1961,1.54,0.141,0.00046800000000000005,0.0156
1962,1.46,0.14,0.000444,0.0148
1963,1.67,0.164,0.000508,0.0169
1964,2.0,0.181,0.00061,0.020300000000000002
1965,2.12,0.202,0.000644,0.0214
1966,2.23,0.231,0.00068,0.022600000000000002
1967,2.4,0.241,0.00073,0.024300000000000002
1968,2.9,0.267,0.000883,0.0294
1969,3.36,0.281,0.000915,0.0304
1970,4.12,0.22,0.0009609999999999999,0.020399999999999998
1971,4.04,0.24,0.0009609999999999999,0.00976
1972,4.35,0.3,0.001,0.022699999999999998
1973,5.02,0.303,0.0010400000000000001,0.032600000000000004
1974,5.8,0.352,0.00109,0.048
1975,7.07,0.361,0.00114,0.0181
1976,7.81,0.37,0.0012,0.0639
1977,7.17,0.378,0.00126,0.0724
1978,10.0,0.479,0.00132,0.041
1979,11.6,0.607,0.00138,0.0474
1980,12.7,0.749,0.00145,0.0386
1981,16.1,0.674,0.00151,0.032299999999999995
1982,18.5,0.841,0.00158,0.024
1983,18.8,0.756,0.00165,0.0394
1984,20.4,0.903,0.00172,0.038
1985,18.5,1.01,0.0017900000000000001,0.0337
1986,14.3,1.03,0.00186,0.0258
1987,14.0,1.09,0.0019399999999999999,0.0217
1988,16.2,1.11,0.0020099999999999996,0.029
1989,19.1,1.13,0.00209,0.037399999999999996
1990,15.7,1.12,0.00217,0.035
1991,15.3,1.15,0.00225,0.037
1992,21.2,1.12,0.00232,0.0608
1993,23.2,1.06,0.0024,0.0451
1994,12.6,1.09,0.00248,0.0451
1995,21.5,1.29,0.0025499999999999997,0.0509
1996,22.7,1.47,0.00263,0.057
1997,16.9,1.41,0.00271,0.08
1998,21.2,1.29,0.00279,0.0752
1999,20.3,1.15,0.0028599999999999997,0.0637
2000,19.3,1.38,0.00307,0.0555
2001,21.7,1.43,0.00315,0.0833
2002,23.5,1.47,0.00322,0.106
2003,25.4,1.5,0.00328,0.104
2004,27.3,1.62,0.00335,0.128
2005,28.4,1.7,0.0034100000000000003,0.0741
2006,26.8,1.87,0.00348,0.113
2007,29.7,1.97,0.0035499999999999998,0.126
2008,31.1,2.38,0.00363,0.141
2009,33.4,2.27,0.0037,0.139
2010,33.8,2.25,0.00377,0.156
2011,35.8,2.42,0.0038399999999999997,0.169
2012,35.1,2.52,0.00391,0.189
2013,37.7,2.78,0.00398,0.207
2014,40.6,2.78,0.00405,0.206
2015,39.8,2.5,0.00412,0.236
2016,37.7,2.38,0.00419,0.265
2017,36.5,2.38,0.0042699999999999995,0.276
2018,39.0,2.38,0.00434,0.288