year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00441,1.61e-05,0.0282,0.044
1851,0.00442,1.84e-05,0.0285,0.044
1852,0.0044599999999999996,2.07e-05,0.0289,0.0441
1853,0.0045,2.31e-05,0.0292,0.0443
1854,0.00457,2.55e-05,0.0296,0.0444
1855,0.00466,2.79e-05,0.0299,0.044700000000000004
1856,0.0047599999999999995,3.04e-05,0.0303,0.044899999999999995
1857,0.004889999999999999,3.29e-05,0.030600000000000002,0.0453
1858,0.005019999999999999,3.54e-05,0.031,0.0456
1859,0.00518,3.7900000000000006e-05,0.0313,0.046
1860,0.00535,4.05e-05,0.0316,0.0465
1861,0.00553,4.2999999999999995e-05,0.032,0.047
1862,0.005730000000000001,4.57e-05,0.032299999999999995,0.0475
1863,0.00595,4.83e-05,0.032600000000000004,0.048100000000000004
1864,0.00618,5.0900000000000004e-05,0.0329,0.0487
1865,0.00642,5.36e-05,0.0332,0.0493
1866,0.00667,5.63e-05,0.0335,0.05
1867,0.00694,5.9e-05,0.0338,0.0507
1868,0.00722,6.18e-05,0.0342,0.0515
1869,0.00751,6.45e-05,0.0345,0.0523
1870,0.007809999999999999,6.73e-05,0.0349,0.0531
1871,0.008119999999999999,7.01e-05,0.0353,0.053899999999999997
1872,0.00844,7.290000000000001e-05,0.0357,0.054799999999999995
1873,0.00877,7.580000000000001e-05,0.0362,0.055600000000000004
1874,0.00911,7.86e-05,0.0367,0.056600000000000004
1875,0.009460000000000001,8.15e-05,0.037200000000000004,0.0575
1876,0.00982,8.44e-05,0.0376,0.0585
1877,0.010199999999999999,8.730000000000001e-05,0.038200000000000005,0.0594
1878,0.0106,9.02e-05,0.038700000000000005,0.060399999999999995
1879,0.0109,9.31e-05,0.039200000000000006,0.0615
1880,0.011300000000000001,9.61e-05,0.039700000000000006,0.0625
1881,0.011699999999999999,9.91e-05,0.040100000000000004,0.0635
1882,0.0121,0.000102,0.040600000000000004,0.06459999999999999
1883,0.0125,0.00010499999999999999,0.041100000000000005,0.06570000000000001
1884,0.0129,0.000108,0.0416,0.0668
1885,0.013300000000000001,0.000111,0.0421,0.0679
1886,0.013699999999999999,0.000114,0.0426,0.069
1887,0.0141,0.00011700000000000001,0.0431,0.0701
1888,0.0145,0.00011999999999999999,0.0436,0.0713
1889,0.0149,0.000123,0.0441,0.0724
1890,0.0155,0.000192,0.044899999999999995,0.0611
1891,0.0161,0.000206,0.0455,0.0699
1892,0.0166,0.000223,0.046200000000000005,0.07809999999999999
1893,0.0172,0.000242,0.0469,0.0857
1894,0.0177,0.000264,0.0476,0.0925
1895,0.0182,0.000289,0.048299999999999996,0.0986
1896,0.0188,0.000316,0.049,0.104
1897,0.0193,0.00034399999999999996,0.0497,0.108
1898,0.019899999999999998,0.000374,0.0504,0.111
1899,0.020399999999999998,0.00040500000000000003,0.0511,0.113
1900,0.0209,0.000437,0.0518,0.113
1901,0.0215,0.000475,0.0525,0.113
1902,0.0222,0.000521,0.053200000000000004,0.111
1903,0.0229,0.000574,0.054,0.108
1904,0.023600000000000003,0.000631,0.054700000000000006,0.105
1905,0.024300000000000002,0.0006889999999999999,0.0554,0.101
1906,0.0249,0.000747,0.056100000000000004,0.09770000000000001
1907,0.0255,0.000803,0.0569,0.09440000000000001
1908,0.0259,0.000853,0.0576,0.0917
1909,0.026199999999999998,0.000897,0.0584,0.08990000000000001
1910,0.0264,0.0009310000000000001,0.0591,0.0892
1911,0.0264,0.000957,0.0599,0.08929999999999999
1912,0.026199999999999998,0.00098,0.060700000000000004,0.0895
1913,0.0258,0.001,0.0615,0.08990000000000001
1914,0.0254,0.00102,0.0624,0.09040000000000001
1915,0.025,0.00103,0.0632,0.091
1916,0.0245,0.0010500000000000002,0.064,0.0917
1917,0.0241,0.00107,0.0649,0.0925
1918,0.0238,0.00109,0.06570000000000001,0.0933
1919,0.023600000000000003,0.00111,0.06659999999999999,0.0942
1920,0.0235,0.00113,0.0675,0.095
1921,0.0237,0.00116,0.0683,0.096
1922,0.0241,0.0011799999999999998,0.0692,0.0973
1923,0.0245,0.00121,0.0701,0.0987
1924,0.0251,0.00124,0.071,0.1
1925,0.0257,0.00127,0.072,0.102
1926,0.0263,0.0013,0.0729,0.104
1927,0.0268,0.00133,0.07379999999999999,0.106
1928,0.0273,0.0013700000000000001,0.0747,0.108
1929,0.027600000000000003,0.00141,0.0756,0.11
1930,0.027800000000000002,0.00146,0.0765,0.111
1931,0.027800000000000002,0.00151,0.07740000000000001,0.113
1932,0.027800000000000002,0.00158,0.07809999999999999,0.116
1933,0.027899999999999998,0.00165,0.07890000000000001,0.118
1934,0.027899999999999998,0.00173,0.07959999999999999,0.12
1935,0.027899999999999998,0.00182,0.0804,0.123
1936,0.027899999999999998,0.0019,0.08120000000000001,0.125
1937,0.027899999999999998,0.00199,0.082,0.127
1938,0.027899999999999998,0.0020800000000000003,0.083,0.128
1939,0.027899999999999998,0.00216,0.0842,0.129
1940,0.027899999999999998,0.0022400000000000002,0.0856,0.13
1941,0.027800000000000002,0.00231,0.0876,0.13
1942,0.0275,0.00237,0.0906,0.129
1943,0.027100000000000003,0.00242,0.09440000000000001,0.128
1944,0.026699999999999998,0.00248,0.0987,0.127
1945,0.0261,0.0025299999999999997,0.103,0.126
1946,0.0256,0.00259,0.108,0.125
1947,0.0251,0.00265,0.113,0.125
1948,0.0247,0.00272,0.117,0.124
1949,0.0245,0.00281,0.12,0.123
1950,0.024399999999999998,0.0029,0.123,0.123
1951,0.024399999999999998,0.0030600000000000002,0.125,0.124
1952,0.0245,0.00329,0.127,0.125
1953,0.0246,0.00359,0.129,0.128
1954,0.0248,0.00392,0.131,0.13
1955,0.025,0.00426,0.133,0.133
1956,0.0252,0.0045899999999999995,0.135,0.137
1957,0.0253,0.004889999999999999,0.136,0.139
1958,0.0255,0.00513,0.137,0.142
1959,0.0256,0.0053,0.138,0.143
1960,0.0256,0.00536,0.138,0.144
1961,0.0256,0.00536,0.138,0.142
1962,0.0256,0.00536,0.138,0.14
1963,0.0256,0.00536,0.138,0.136
1964,0.0256,0.00536,0.138,0.133
1965,0.0256,0.00536,0.138,0.129
1966,0.0256,0.00536,0.138,0.127
1967,0.0256,0.00536,0.138,0.122
1968,0.0256,0.00536,0.138,0.121
1969,0.0255,0.00513,0.14,0.116
1970,0.0299,0.00488,0.136,0.112
1971,0.030600000000000002,0.00445,0.139,0.11
1972,0.0384,0.004719999999999999,0.139,0.111
1973,0.0362,0.00475,0.14,0.113
1974,0.0366,0.00426,0.14,0.111
1975,0.0502,0.0038399999999999997,0.131,0.107
1976,0.06570000000000001,0.00357,0.134,0.107
1977,0.0736,0.0030499999999999998,0.129,0.11
1978,0.106,0.00292,0.126,0.11
1979,0.13,0.0032400000000000003,0.129,0.112
1980,0.157,0.00408,0.133,0.113
1981,0.154,0.00387,0.135,0.117
1982,0.153,0.0027400000000000002,0.133,0.117
1983,0.169,0.0023599999999999997,0.135,0.116
1984,0.181,0.0027,0.14,0.117
1985,0.189,0.0025099999999999996,0.142,0.116
1986,0.195,0.00225,0.14,0.115
1987,0.222,0.00216,0.14,0.112
1988,0.236,0.0022400000000000002,0.141,0.109
1989,0.277,0.00227,0.145,0.11
1990,0.288,0.00109,0.143,0.11
1991,0.317,0.00111,0.141,0.112
1992,0.353,0.00114,0.139,0.113
1993,0.371,0.0011899999999999999,0.142,0.112
1994,0.41,0.00131,0.151,0.113
1995,0.441,0.00134,0.155,0.114
1996,0.503,0.00132,0.149,0.116
1997,0.522,0.0022400000000000002,0.148,0.116
1998,0.506,0.0030099999999999997,0.142,0.116
1999,0.52,0.00318,0.134,0.115
2000,0.566,0.0031,0.139,0.111
2001,0.596,0.00335,0.133,0.111
2002,0.637,0.00314,0.127,0.109
2003,0.68,0.00327,0.128,0.109
2004,0.676,0.0033799999999999998,0.13,0.108
2005,0.648,0.0029500000000000004,0.123,0.107
2006,0.649,0.00268,0.127,0.105
2007,0.679,0.00299,0.125,0.103
2008,0.693,0.00515,0.122,0.102
2009,0.68,0.00268,0.115,0.101
2010,0.651,0.00304,0.119,0.101
2011,0.622,0.00307,0.113,0.0995
2012,0.638,0.00296,0.046299999999999994,0.0988
2013,0.632,0.00292,0.038200000000000005,0.0983
2014,0.632,0.0030299999999999997,0.0342,0.0973
2015,0.661,0.00318,0.0324,0.0989
2016,0.601,0.00304,0.0308,0.101
2017,0.556,0.0030800000000000003,0.0289,0.101
2018,0.559,0.00315,0.0285,0.1