year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00124,2.04e-05,0.012,0.685
1851,0.00125,2.2100000000000002e-05,0.0121,0.685
1852,0.00127,2.41e-05,0.0123,0.685
1853,0.0013,2.63e-05,0.0124,0.685
1854,0.00134,2.87e-05,0.0126,0.686
1855,0.0014,3.14e-05,0.0127,0.686
1856,0.00147,3.4200000000000005e-05,0.0129,0.686
1857,0.00155,3.73e-05,0.013,0.687
1858,0.00164,4.06e-05,0.013099999999999999,0.687
1859,0.00174,4.41e-05,0.013300000000000001,0.688
1860,0.00185,4.78e-05,0.0134,0.689
1861,0.00197,5.17e-05,0.0135,0.689
1862,0.0021000000000000003,5.58e-05,0.0136,0.69
1863,0.00225,6.0100000000000004e-05,0.013699999999999999,0.691
1864,0.0024,6.45e-05,0.013900000000000001,0.692
1865,0.00256,6.91e-05,0.014,0.693
1866,0.00273,7.39e-05,0.0141,0.694
1867,0.0029,7.879999999999999e-05,0.014199999999999999,0.695
1868,0.00309,8.39e-05,0.0143,0.696
1869,0.00328,8.91e-05,0.0144,0.697
1870,0.00348,9.44e-05,0.0146,0.699
1871,0.00369,9.99e-05,0.0147,0.7
1872,0.00391,0.000106,0.0149,0.701
1873,0.00413,0.000111,0.015099999999999999,0.703
1874,0.00436,0.00011700000000000001,0.015300000000000001,0.704
1875,0.0046,0.000123,0.0155,0.706
1876,0.00484,0.000129,0.0157,0.707
1877,0.00508,0.000135,0.0159,0.709
1878,0.00533,0.00014199999999999998,0.0161,0.711
1879,0.0055899999999999995,0.000148,0.016300000000000002,0.712
1880,0.005849999999999999,0.000154,0.0165,0.714
1881,0.0061200000000000004,0.000161,0.0167,0.716
1882,0.00639,0.00016800000000000002,0.0169,0.718
1883,0.00666,0.000174,0.0171,0.72
1884,0.00694,0.00018099999999999998,0.0173,0.722
1885,0.00722,0.000188,0.0176,0.724
1886,0.00751,0.000195,0.0178,0.726
1887,0.00779,0.000201,0.018,0.728
1888,0.00808,0.000208,0.0182,0.73
1889,0.008369999999999999,0.000215,0.0184,0.732
1890,0.00943,0.00033400000000000004,0.0188,0.716
1891,0.0109,0.000358,0.019100000000000002,0.732
1892,0.0123,0.000388,0.019399999999999997,0.747
1893,0.013699999999999999,0.000422,0.0197,0.762
1894,0.015,0.00046,0.02,0.776
1895,0.016399999999999998,0.000503,0.020300000000000002,0.788
1896,0.0177,0.000549,0.0207,0.799
1897,0.019,0.000598,0.021,0.808
1898,0.0202,0.00065,0.0213,0.815
1899,0.0215,0.000705,0.0216,0.82
1900,0.022699999999999998,0.000761,0.022,0.821
1901,0.023899999999999998,0.0008259999999999999,0.0223,0.822
1902,0.0253,0.000907,0.022699999999999998,0.822
1903,0.026699999999999998,0.000998,0.023,0.821
1904,0.0282,0.0011,0.023399999999999997,0.821
1905,0.0295,0.0012,0.0238,0.821
1906,0.0308,0.0013,0.0241,0.821
1907,0.0319,0.0014,0.0245,0.82
1908,0.032799999999999996,0.00148,0.0249,0.82
1909,0.0334,0.00156,0.0252,0.82
1910,0.0337,0.0016200000000000001,0.0256,0.82
1911,0.0332,0.00166,0.026,0.83
1912,0.0316,0.0017,0.0264,0.858
1913,0.0293,0.00173,0.026699999999999998,0.898
1914,0.0265,0.00176,0.027100000000000003,0.949
1915,0.0235,0.0017900000000000001,0.027399999999999997,1.0
1916,0.020399999999999998,0.00182,0.027800000000000002,1.06
1917,0.0176,0.00185,0.0282,1.12
1918,0.015300000000000001,0.00188,0.0286,1.17
1919,0.013800000000000002,0.00191,0.0291,1.21
1920,0.0134,0.00195,0.0296,1.23
1921,0.014199999999999999,0.002,0.030199999999999998,1.25
1922,0.0166,0.00204,0.0308,1.27
1923,0.0202,0.00209,0.0314,1.28
1924,0.0249,0.00214,0.032100000000000004,1.3
1925,0.0305,0.0022,0.0329,1.31
1926,0.036899999999999995,0.00225,0.0338,1.32
1927,0.0439,0.00232,0.0347,1.33
1928,0.0513,0.0023799999999999997,0.0358,1.34
1929,0.059,0.00246,0.037,1.34
1930,0.06670000000000001,0.00254,0.038299999999999994,1.34
1931,0.0761,0.00263,0.040299999999999996,1.34
1932,0.0882,0.0027400000000000002,0.0432,1.33
1933,0.102,0.00287,0.046799999999999994,1.31
1934,0.118,0.0030099999999999997,0.051,1.29
1935,0.135,0.00316,0.0555,1.26
1936,0.152,0.00331,0.0601,1.24
1937,0.168,0.00347,0.06470000000000001,1.22
1938,0.184,0.00362,0.069,1.2
1939,0.198,0.00376,0.0728,1.18
1940,0.209,0.0038900000000000002,0.07590000000000001,1.18
1941,0.219,0.00401,0.0785,1.18
1942,0.227,0.00411,0.0808,1.19
1943,0.234,0.00421,0.0828,1.2
1944,0.241,0.0043,0.0847,1.22
1945,0.247,0.0044,0.0866,1.24
1946,0.254,0.00449,0.0884,1.26
1947,0.262,0.0046,0.09040000000000001,1.29
1948,0.27,0.004730000000000001,0.0925,1.31
1949,0.28,0.00487,0.09490000000000001,1.34
1950,0.291,0.00504,0.09759999999999999,1.37
1951,0.307,0.00526,0.101,1.39
1952,0.329,0.00557,0.104,1.43
1953,0.356,0.00594,0.108,1.47
1954,0.387,0.00636,0.113,1.52
1955,0.421,0.0068200000000000005,0.117,1.57
1956,0.457,0.00731,0.122,1.62
1957,0.494,0.007809999999999999,0.127,1.66
1958,0.531,0.008320000000000001,0.132,1.71
1959,0.567,0.00882,0.136,1.76
1960,0.6,0.00929,0.141,1.8
1961,0.629,0.00974,0.146,1.75
1962,0.653,0.010199999999999999,0.15,1.86
1963,0.675,0.0107,0.155,1.95
1964,0.695,0.0112,0.159,1.88
1965,0.718,0.0116,0.164,1.91
1966,0.745,0.0121,0.169,2.01
1967,0.777,0.0126,0.173,2.08
1968,0.817,0.013099999999999999,0.178,2.09
1969,0.868,0.0121,0.183,2.07
1970,1.02,0.011800000000000001,0.182,2.04
1971,1.04,0.0111,0.188,2.13
1972,1.06,0.011800000000000001,0.193,2.18
1973,1.09,0.011800000000000001,0.198,2.2
1974,1.13,0.0106,0.201,2.25
1975,1.17,0.0105,0.205,2.3
1976,1.19,0.0103,0.208,2.31
1977,1.16,0.00931,0.213,2.3
1978,1.94,0.00893,0.217,2.34
1979,1.95,0.00895,0.218,2.36
1980,1.94,0.00831,0.22,2.39
1981,1.88,0.00824,0.223,2.38
1982,1.86,0.00657,0.226,2.4
1983,1.85,0.00596,0.231,2.42
1984,1.8,0.006849999999999999,0.233,2.46
1985,1.82,0.0067,0.234,2.47
1986,1.86,0.00631,0.238,2.46
1987,1.88,0.0064,0.243,2.48
1988,1.94,0.0065,0.246,2.42
1989,1.96,0.0064,0.248,2.44
1990,2.17,0.00628,0.248,2.41
1991,1.96,0.00608,0.29,2.36
1992,2.0,0.00632,0.343,2.1
1993,1.95,0.004730000000000001,0.383,1.99
1994,1.82,0.0038,0.379,1.92
1995,1.8,0.00321,0.376,1.77
1996,1.65,0.00298,0.396,1.61
1997,1.61,0.0030800000000000003,0.407,1.42
1998,1.58,0.00289,0.43,1.2
1999,1.63,0.00317,0.388,1.11
2000,1.64,0.00449,0.376,1.03
2001,1.64,0.00458,0.416,0.921
2002,1.64,0.00478,0.43,0.925
2003,1.74,0.0049900000000000005,0.434,0.918
2004,1.67,0.00544,0.448,0.799
2005,1.69,0.0050999999999999995,0.487,0.728
2006,1.7,0.00545,0.448,0.692
2007,1.75,0.005690000000000001,0.433,0.663
2008,1.77,0.00483,0.43,0.608
2009,1.69,0.0033900000000000002,0.416,0.559
2010,1.67,0.00413,0.366,0.547
2011,1.8,0.00398,0.378,0.527
2012,1.79,0.00381,0.379,0.522
2013,1.83,0.00325,0.38,0.534
2014,1.74,0.00292,0.343,0.509
2015,1.48,0.0025,0.331,0.463
2016,1.66,0.00272,0.335,0.443
2017,1.55,0.00696,0.331,0.436
2018,1.65,0.0146,0.331,0.421