year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0119,2.55e-06,0.00879,0.0434
1851,0.012,2.7699999999999997e-06,0.0089,0.0434
1852,0.0121,3.01e-06,0.00901,0.0434
1853,0.0124,3.29e-06,0.00912,0.0434
1854,0.0129,3.59e-06,0.00923,0.0434
1855,0.0134,3.92e-06,0.00934,0.0434
1856,0.0141,4.28e-06,0.00945,0.0434
1857,0.0148,4.669999999999999e-06,0.009550000000000001,0.0435
1858,0.0157,5.0800000000000005e-06,0.00965,0.0435
1859,0.0167,5.52e-06,0.00975,0.0435
1860,0.0177,5.98e-06,0.00984,0.0436
1861,0.0189,6.47e-06,0.00993,0.0436
1862,0.0202,6.98e-06,0.01,0.0437
1863,0.0215,7.51e-06,0.0101,0.0437
1864,0.023,8.07e-06,0.010199999999999999,0.0438
1865,0.0245,8.64e-06,0.0103,0.0439
1866,0.026199999999999998,9.24e-06,0.0103,0.0439
1867,0.027899999999999998,9.86e-06,0.0104,0.044
1868,0.0296,1.0500000000000001e-05,0.0105,0.0441
1869,0.0315,1.11e-05,0.0106,0.0441
1870,0.0334,1.18e-05,0.0107,0.0442
1871,0.0354,1.25e-05,0.0108,0.0443
1872,0.0375,1.32e-05,0.0109,0.0444
1873,0.0396,1.3899999999999999e-05,0.0111,0.0445
1874,0.0418,1.47e-05,0.0112,0.0446
1875,0.0441,1.54e-05,0.0114,0.044700000000000004
1876,0.0464,1.62e-05,0.0115,0.0448
1877,0.048799999999999996,1.6899999999999997e-05,0.011699999999999999,0.044899999999999995
1878,0.0512,1.77e-05,0.011800000000000001,0.045
1879,0.0536,1.85e-05,0.012,0.0451
1880,0.0562,1.93e-05,0.0121,0.045200000000000004
1881,0.0587,2.01e-05,0.0123,0.0453
1882,0.0613,2.1000000000000002e-05,0.0124,0.045399999999999996
1883,0.0639,2.18e-05,0.0126,0.0456
1884,0.06659999999999999,2.2599999999999997e-05,0.0127,0.045700000000000005
1885,0.0693,2.35e-05,0.0129,0.0458
1886,0.072,2.4299999999999998e-05,0.013099999999999999,0.045899999999999996
1887,0.07479999999999999,2.52e-05,0.0132,0.0461
1888,0.0775,2.61e-05,0.0134,0.046200000000000005
1889,0.0803,2.69e-05,0.0135,0.046299999999999994
1890,0.0867,4.2000000000000004e-05,0.013800000000000002,0.0496
1891,0.0897,4.4999999999999996e-05,0.013800000000000002,0.0464
1892,0.0928,4.8599999999999995e-05,0.013800000000000002,0.0434
1893,0.09609999999999999,5.2900000000000005e-05,0.013800000000000002,0.0405
1894,0.0995,5.77e-05,0.013900000000000001,0.0378
1895,0.103,6.3e-05,0.013900000000000001,0.0355
1896,0.107,6.88e-05,0.014,0.0334
1897,0.111,7.5e-05,0.014,0.0317
1898,0.114,8.16e-05,0.0141,0.0304
1899,0.118,8.840000000000001e-05,0.014199999999999999,0.0296
1900,0.123,9.55e-05,0.0143,0.0294
1901,0.127,0.000104,0.0144,0.0294
1902,0.133,0.000114,0.0145,0.0295
1903,0.139,0.000125,0.0147,0.0297
1904,0.145,0.00013800000000000002,0.015,0.0299
1905,0.152,0.00015099999999999998,0.015300000000000001,0.0303
1906,0.158,0.000164,0.0156,0.030600000000000002
1907,0.163,0.000176,0.016,0.031100000000000003
1908,0.168,0.000187,0.016300000000000002,0.0316
1909,0.171,0.00019600000000000002,0.0167,0.0322
1910,0.172,0.000204,0.0171,0.032799999999999996
1911,0.172,0.00020999999999999998,0.0176,0.0345
1912,0.17,0.000214,0.0181,0.038
1913,0.167,0.000219,0.0188,0.0431
1914,0.163,0.000223,0.0195,0.0496
1915,0.159,0.00022600000000000002,0.0202,0.0571
1916,0.155,0.00023,0.021,0.0654
1917,0.152,0.00023400000000000002,0.0217,0.0742
1918,0.149,0.00023799999999999998,0.0225,0.0832
1919,0.147,0.000242,0.0232,0.09209999999999999
1920,0.147,0.000247,0.023899999999999998,0.101
1921,0.148,0.000252,0.0245,0.111
1922,0.15,0.000258,0.0251,0.123
1923,0.152,0.000264,0.0257,0.137
1924,0.156,0.00027100000000000003,0.026199999999999998,0.151
1925,0.16,0.000277,0.026699999999999998,0.166
1926,0.164,0.000285,0.0273,0.179
1927,0.169,0.000292,0.027899999999999998,0.191
1928,0.174,0.000301,0.0285,0.201
1929,0.179,0.00031,0.0292,0.207
1930,0.185,0.00032,0.03,0.21
1931,0.193,0.000331,0.0308,0.207
1932,0.204,0.000345,0.0317,0.199
1933,0.219,0.000361,0.0327,0.188
1934,0.235,0.000379,0.0337,0.174
1935,0.253,0.000398,0.0349,0.159
1936,0.269,0.000417,0.036,0.144
1937,0.285,0.00043599999999999997,0.037200000000000004,0.131
1938,0.297,0.000455,0.0384,0.12
1939,0.307,0.00047299999999999995,0.039700000000000006,0.112
1940,0.311,0.000489,0.0409,0.109
1941,0.314,0.000504,0.0421,0.112
1942,0.317,0.000517,0.0434,0.119
1943,0.321,0.00053,0.044700000000000004,0.13
1944,0.326,0.000541,0.046,0.143
1945,0.332,0.000553,0.047299999999999995,0.158
1946,0.338,0.000566,0.0487,0.173
1947,0.344,0.00058,0.0502,0.188
1948,0.35,0.000596,0.0517,0.202
1949,0.357,0.000614,0.0533,0.213
1950,0.363,0.0006360000000000001,0.0549,0.221
1951,0.372,0.000664,0.0567,0.226
1952,0.386,0.000703,0.0586,0.231
1953,0.403,0.00075,0.0606,0.235
1954,0.424,0.000803,0.0627,0.239
1955,0.446,0.000862,0.0649,0.243
1956,0.469,0.000924,0.06709999999999999,0.246
1957,0.491,0.000988,0.0693,0.249
1958,0.512,0.0010500000000000002,0.0715,0.252
1959,0.531,0.00111,0.0736,0.255
1960,0.545,0.00117,0.0757,0.258
1961,0.556,0.00123,0.0778,0.268
1962,0.561,0.0012900000000000001,0.08009999999999999,0.273
1963,0.564,0.00134,0.0823,0.268
1964,0.566,0.0014,0.0846,0.266
1965,0.569,0.00145,0.0869,0.266
1966,0.573,0.00151,0.0891,0.262
1967,0.581,0.00157,0.0911,0.265
1968,0.594,0.00164,0.09290000000000001,0.264
1969,0.614,0.00171,0.0945,0.255
1970,0.639,0.00177,0.0906,0.253
1971,0.627,0.0019,0.0992,0.258
1972,0.607,0.00213,0.101,0.261
1973,0.587,0.00199,0.102,0.266
1974,0.581,0.00198,0.103,0.27
1975,0.593,0.00207,0.104,0.271
1976,0.597,0.0022,0.106,0.27
1977,0.612,0.00232,0.108,0.274
1978,0.603,0.0024100000000000002,0.109,0.281
1979,0.63,0.0024300000000000003,0.11,0.286
1980,0.597,0.00233,0.111,0.287
1981,0.601,0.00282,0.113,0.292
1982,0.592,0.0029300000000000003,0.114,0.295
1983,0.589,0.00294,0.114,0.296
1984,0.601,0.00269,0.115,0.298
1985,0.594,0.0029,0.116,0.295
1986,0.589,0.00232,0.116,0.291
1987,0.594,0.0027,0.116,0.291
1988,0.582,0.0023599999999999997,0.115,0.291
1989,0.552,0.00171,0.114,0.292
1990,0.531,0.0020499999999999997,0.115,0.294
1991,0.478,0.0016799999999999999,0.121,0.278
1992,0.449,0.00152,0.122,0.253
1993,0.44,0.00152,0.124,0.224
1994,0.417,0.00173,0.13,0.196
1995,0.407,0.00191,0.13,0.19
1996,0.403,0.00195,0.131,0.187
1997,0.393,0.00195,0.136,0.176
1998,0.37,0.00211,0.14,0.166
1999,0.336,0.00215,0.141,0.169
2000,0.307,0.00213,0.144,0.163
2001,0.293,0.0022299999999999998,0.148,0.163
2002,0.274,0.00215,0.152,0.161
2003,0.271,0.0021000000000000003,0.156,0.161
2004,0.26,0.00259,0.154,0.156
2005,0.277,0.00259,0.157,0.152
2006,0.286,0.0025299999999999997,0.159,0.149
2007,0.269,0.00231,0.159,0.151
2008,0.267,0.0024,0.166,0.15
2009,0.254,0.00219,0.171,0.143
2010,0.259,0.00237,0.18,0.138
2011,0.258,0.00225,0.183,0.138
2012,0.25,0.0024500000000000004,0.19,0.138
2013,0.215,0.0023799999999999997,0.201,0.138
2014,0.211,0.00267,0.202,0.141
2015,0.207,0.0020099999999999996,0.206,0.144
2016,0.194,0.00146,0.207,0.137
2017,0.181,0.0026,0.21,0.139
2018,0.169,0.0025299999999999997,0.212,0.144