year,IPC1,IPC2,IPC4,IPCMAG
1850,0.09609999999999999,0.009529999999999999,2.41e-05,0.00177
1851,0.101,0.01,2.53e-05,0.00186
1852,0.107,0.0106,2.6700000000000002e-05,0.00196
1853,0.112,0.0112,2.82e-05,0.00207
1854,0.119,0.011800000000000001,2.97e-05,0.00218
1855,0.125,0.0124,3.14e-05,0.0023
1856,0.132,0.013099999999999999,3.31e-05,0.0024300000000000003
1857,0.139,0.013800000000000002,3.48e-05,0.00256
1858,0.146,0.0145,3.6700000000000004e-05,0.00269
1859,0.154,0.015300000000000001,3.86e-05,0.00283
1860,0.162,0.0161,4.06e-05,0.00298
1861,0.17,0.0169,4.26e-05,0.00313
1862,0.179,0.0177,4.4699999999999996e-05,0.00328
1863,0.188,0.018600000000000002,4.7e-05,0.0034500000000000004
1864,0.197,0.0195,4.93e-05,0.00362
1865,0.207,0.0205,5.18e-05,0.0038
1866,0.217,0.0215,5.43e-05,0.0039900000000000005
1867,0.227,0.022600000000000002,5.7e-05,0.00418
1868,0.239,0.0237,5.98e-05,0.00439
1869,0.25,0.0248,6.27e-05,0.0046
1870,0.022,0.00218,5.51e-06,0.00040500000000000003
1871,0.0367,0.00364,9.19e-06,0.000674
1872,0.521,0.0517,0.00013000000000000002,0.00958
1873,0.726,0.072,0.000182,0.0134
1874,0.532,0.052700000000000004,0.000133,0.009779999999999999
1875,1.17,0.116,0.00029299999999999997,0.0215
1876,1.15,0.114,0.00028799999999999995,0.0211
1877,0.671,0.06659999999999999,0.00016800000000000002,0.0123
1878,0.642,0.0637,0.000161,0.011800000000000001
1879,0.708,0.0702,0.000177,0.013
1880,0.88,0.0873,0.00022,0.0162
1881,0.891,0.0884,0.000223,0.016399999999999998
1882,1.09,0.108,0.000273,0.02
1883,1.14,0.113,0.00028599999999999996,0.021
1884,1.2,0.119,0.000301,0.0221
1885,1.11,0.111,0.000279,0.0205
1886,1.23,0.122,0.000309,0.022699999999999998
1887,1.27,0.126,0.00031800000000000003,0.0233
1888,1.37,0.136,0.00034300000000000004,0.0252
1889,1.57,0.156,0.00039400000000000004,0.0289
1890,1.68,0.136,0.000421,0.030899999999999997
1891,1.74,0.137,0.00043599999999999997,0.032
1892,1.69,0.137,0.000424,0.0312
1893,1.52,0.137,0.00038,0.027899999999999998
1894,1.78,0.138,0.000446,0.032799999999999996
1895,1.7,0.138,0.000425,0.0312
1896,1.73,0.139,0.000434,0.0318
1897,1.82,0.139,0.000456,0.0335
1898,2.08,0.14,0.000522,0.038299999999999994
1899,2.15,0.141,0.0005380000000000001,0.0395
1900,2.47,0.141,0.000618,0.045399999999999996
1901,2.39,0.142,0.0005989999999999999,0.044
1902,2.62,0.143,0.000657,0.0482
1903,2.53,0.144,0.000633,0.0465
1904,2.58,0.144,0.000647,0.0475
1905,2.52,0.145,0.000632,0.0464
1906,2.9,0.146,0.000727,0.0533
1907,3.17,0.147,0.0007930000000000001,0.0582
1908,3.15,0.149,0.000789,0.0579
1909,3.2,0.15,0.0008010000000000001,0.0588
1910,3.25,0.151,0.0008139999999999999,0.0598
1911,3.14,0.152,0.000787,0.0578
1912,3.66,0.154,0.000916,0.06720000000000001
1913,3.86,0.155,0.000967,0.071
1914,3.38,0.157,0.000846,0.0621
1915,3.09,0.159,0.0007740000000000001,0.056799999999999996
1916,2.99,0.16,0.000749,0.055
1917,1.66,0.163,0.000415,0.0305
1918,1.1,0.165,0.000275,0.0202
1919,2.16,0.168,0.000541,0.039700000000000006
1920,2.11,0.171,0.000527,0.038700000000000005
1921,2.15,0.176,0.0005380000000000001,0.0395
1922,2.96,0.184,0.000742,0.0545
1923,2.68,0.194,0.0006720000000000001,0.0493
1924,3.03,0.205,0.00076,0.055799999999999995
1925,3.13,0.218,0.0007830000000000001,0.0575
1926,3.14,0.231,0.000786,0.0577
1927,3.64,0.245,0.000911,0.0669
1928,3.96,0.295,0.000992,0.0728
1929,3.93,0.315,0.000984,0.0722
1930,4.28,0.331,0.00107,0.07859999999999999
1931,3.88,0.342,0.000971,0.0713
1932,3.34,0.363,0.0008349999999999999,0.0613
1933,3.93,0.396,0.000982,0.0721
1934,4.01,0.418,0.001,0.0736
1935,4.29,0.444,0.00107,0.07859999999999999
1936,4.03,0.469,0.00101,0.07379999999999999
1937,4.83,0.487,0.00121,0.0885
1938,4.01,0.501,0.000999,0.0734
1939,4.63,0.525,0.00115,0.0848
1940,3.79,0.524,0.0009429999999999999,0.0693
1941,3.68,0.533,0.000914,0.06709999999999999
1942,2.94,0.526,0.000728,0.0535
1943,2.86,0.537,0.000707,0.0519
1944,3.16,0.54,0.0007830000000000001,0.0575
1945,3.25,0.558,0.000804,0.059
1946,3.77,0.594,0.0009350000000000001,0.0687
1947,5.38,0.653,0.00134,0.09809999999999999
1948,5.06,0.699,0.00125,0.09209999999999999
1949,5.32,0.721,0.00132,0.0968
1950,5.4,0.76,0.00134,0.09820000000000001
1951,5.15,0.813,0.00127,0.09340000000000001
1952,5.08,0.887,0.00125,0.09190000000000001
1953,5.65,0.947,0.00139,0.102
1954,5.53,0.997,0.00136,0.0995
1955,6.23,1.05,0.00152,0.112
1956,6.83,1.22,0.0016699999999999998,0.123
1957,7.49,1.26,0.00183,0.134
1958,7.26,1.34,0.00177,0.13
1959,7.69,1.41,0.0018700000000000001,0.138
1960,7.85,1.55,0.00191,0.14
1961,8.7,1.64,0.00212,0.156
1962,8.84,1.79,0.00216,0.158
1963,9.55,1.88,0.00233,0.171
1964,10.5,2.06,0.00256,0.188
1965,11.0,2.17,0.0027,0.198
1966,11.2,2.28,0.00275,0.202
1967,11.8,2.41,0.0028799999999999997,0.211
1968,12.3,2.51,0.0030299999999999997,0.222
1969,13.9,2.67,0.0034100000000000003,0.25
1970,14.4,2.66,0.00319,0.181
1971,15.4,2.79,0.00327,0.203
1972,17.2,2.95,0.0033799999999999998,0.206
1973,18.7,3.25,0.00354,0.218
1974,19.2,3.29,0.0035800000000000003,0.185
1975,19.8,3.29,0.0036,0.235
1976,20.8,3.27,0.00372,0.21
1977,20.8,3.58,0.0038399999999999997,0.229
1978,20.4,4.08,0.00391,0.201
1979,22.6,4.07,0.004030000000000001,0.21
1980,24.3,3.79,0.00413,0.158
1981,24.6,4.14,0.00417,0.146
1982,26.5,4.15,0.00423,0.143
1983,27.3,4.14,0.00423,0.127
1984,26.5,4.07,0.00421,0.113
1985,24.9,3.91,0.00426,0.119
1986,28.0,4.04,0.00433,0.115
1987,28.8,4.48,0.00443,0.11
1988,30.2,4.27,0.00454,0.105
1989,38.4,4.18,0.00464,0.102
1990,38.9,5.03,0.0119,0.11
1991,40.6,5.15,0.012,0.0932
1992,44.7,4.81,0.012199999999999999,0.07970000000000001
1993,43.4,4.78,0.0123,0.07959999999999999
1994,44.0,4.86,0.0125,0.066
1995,48.1,5.09,0.0127,0.0591
1996,46.6,5.05,0.013300000000000001,0.0512
1997,48.7,5.37,0.0143,0.0469
1998,53.3,5.34,0.013099999999999999,0.0423
1999,59.6,5.64,0.0128,0.0412
2000,57.8,5.68,0.0104,0.0384
2001,57.8,5.4,0.00414,0.0381
2002,62.1,5.65,0.00163,0.0378
2003,57.2,5.45,0.0185,0.038
2004,58.9,5.85,0.0174,0.038299999999999994
2005,61.3,5.94,0.0197,0.0385
2006,55.9,5.87,0.0219,0.0381
2007,54.1,6.07,0.0248,0.038299999999999994
2008,52.5,5.89,0.0218,0.038
2009,51.7,4.86,0.0219,0.0381
2010,46.1,5.22,0.024,0.04
2011,45.3,4.15,0.0255,0.0396
2012,44.2,3.68,0.0263,0.039700000000000006
2013,43.1,4.08,0.014199999999999999,0.039700000000000006
2014,42.5,4.48,0.0177,0.0353
2015,46.4,4.39,0.0156,0.0353
2016,45.8,3.79,0.013900000000000001,0.0354
2017,50.5,4.05,0.0124,0.0348
2018,47.7,4.07,0.0111,0.0342