year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0005480000000000001,2.83e-06,0.00195,0.022699999999999998
1851,0.0005510000000000001,3.07e-06,0.00197,0.022699999999999998
1852,0.000559,3.35e-06,0.002,0.022699999999999998
1853,0.0005729999999999999,3.65e-06,0.00202,0.022699999999999998
1854,0.000593,3.99e-06,0.0020499999999999997,0.022699999999999998
1855,0.000618,4.36e-06,0.00207,0.022699999999999998
1856,0.000648,4.76e-06,0.0021000000000000003,0.022699999999999998
1857,0.000683,5.19e-06,0.00212,0.022699999999999998
1858,0.000723,5.649999999999999e-06,0.00214,0.0228
1859,0.000768,6.13e-06,0.00216,0.0228
1860,0.0008169999999999999,6.65e-06,0.00218,0.0228
1861,0.000871,7.190000000000001e-06,0.0022,0.0228
1862,0.00093,7.75e-06,0.00222,0.0229
1863,0.000993,8.35e-06,0.0022400000000000002,0.0229
1864,0.00106,8.959999999999999e-06,0.00226,0.0229
1865,0.00113,9.6e-06,0.00228,0.0229
1866,0.0012,1.03e-05,0.00229,0.023
1867,0.00128,1.09e-05,0.00231,0.023
1868,0.0013700000000000001,1.17e-05,0.00233,0.023100000000000002
1869,0.00145,1.24e-05,0.00235,0.023100000000000002
1870,0.0015400000000000001,1.31e-05,0.0023799999999999997,0.023100000000000002
1871,0.00163,1.3899999999999999e-05,0.0024,0.0232
1872,0.00173,1.47e-05,0.0024300000000000003,0.0232
1873,0.00183,1.55e-05,0.00246,0.0233
1874,0.0019299999999999999,1.63e-05,0.00249,0.0233
1875,0.0020299999999999997,1.7100000000000002e-05,0.00252,0.023399999999999997
1876,0.00214,1.7999999999999997e-05,0.00256,0.023399999999999997
1877,0.00225,1.88e-05,0.00259,0.0235
1878,0.0023599999999999997,1.9699999999999998e-05,0.00262,0.0235
1879,0.0024700000000000004,2.06e-05,0.00266,0.023600000000000003
1880,0.00259,2.1499999999999997e-05,0.00269,0.023600000000000003
1881,0.00271,2.24e-05,0.00272,0.0237
1882,0.00282,2.33e-05,0.00276,0.0238
1883,0.0029500000000000004,2.42e-05,0.00279,0.0238
1884,0.00307,2.51e-05,0.00283,0.023899999999999998
1885,0.00319,2.61e-05,0.0028599999999999997,0.024
1886,0.00332,2.7e-05,0.0029,0.024
1887,0.00344,2.8e-05,0.0029300000000000003,0.0241
1888,0.00357,2.8899999999999998e-05,0.00297,0.0242
1889,0.0037,2.99e-05,0.003,0.0242
1890,0.0039900000000000005,4.67e-05,0.0030600000000000002,0.0259
1891,0.00413,5e-05,0.0030600000000000002,0.024300000000000002
1892,0.0042699999999999995,5.4e-05,0.0030600000000000002,0.022699999999999998
1893,0.00442,5.8700000000000004e-05,0.00307,0.0212
1894,0.00458,6.41e-05,0.0030800000000000003,0.0198
1895,0.00474,7.000000000000001e-05,0.00309,0.018600000000000002
1896,0.00491,7.65e-05,0.0031,0.0175
1897,0.00508,8.33e-05,0.00312,0.0166
1898,0.00526,9.06e-05,0.00313,0.016
1899,0.00544,9.82e-05,0.00315,0.0156
1900,0.00563,0.000106,0.00316,0.0154
1901,0.005849999999999999,0.000115,0.00319,0.0155
1902,0.0060999999999999995,0.000127,0.00322,0.0155
1903,0.00639,0.00013900000000000002,0.00327,0.0156
1904,0.006679999999999999,0.000153,0.00333,0.0157
1905,0.00697,0.00016800000000000002,0.0033900000000000002,0.0159
1906,0.00725,0.000182,0.00346,0.0161
1907,0.00749,0.000195,0.00354,0.016300000000000002
1908,0.007690000000000001,0.000208,0.00362,0.0166
1909,0.00783,0.00021799999999999999,0.0037099999999999998,0.0169
1910,0.00789,0.00022600000000000002,0.0038,0.0172
1911,0.00787,0.00023300000000000003,0.0039,0.0181
1912,0.0077800000000000005,0.00023799999999999998,0.004019999999999999,0.02
1913,0.00764,0.000243,0.0041600000000000005,0.022600000000000002
1914,0.00747,0.000247,0.00432,0.026
1915,0.0072699999999999996,0.000251,0.0044800000000000005,0.0299
1916,0.00708,0.000255,0.0046500000000000005,0.0343
1917,0.006900000000000001,0.000259,0.0048200000000000005,0.038799999999999994
1918,0.0067599999999999995,0.000264,0.0049900000000000005,0.0435
1919,0.00667,0.00026900000000000003,0.00515,0.0482
1920,0.0066500000000000005,0.00027400000000000005,0.0053,0.052700000000000004
1921,0.006690000000000001,0.00028000000000000003,0.00544,0.0578
1922,0.00677,0.000287,0.00557,0.06420000000000001
1923,0.006889999999999999,0.00029299999999999997,0.005690000000000001,0.0714
1924,0.00704,0.000301,0.005809999999999999,0.079
1925,0.00722,0.000308,0.0059299999999999995,0.0866
1926,0.0074199999999999995,0.000316,0.006059999999999999,0.0937
1927,0.0076500000000000005,0.000325,0.00619,0.1
1928,0.00788,0.00033400000000000004,0.00633,0.105
1929,0.008119999999999999,0.00034399999999999996,0.0064800000000000005,0.108
1930,0.00838,0.00035499999999999996,0.0066500000000000005,0.109
1931,0.00874,0.000368,0.00683,0.108
1932,0.00929,0.000384,0.007030000000000001,0.104
1933,0.009980000000000001,0.00040100000000000004,0.00725,0.09820000000000001
1934,0.0108,0.000421,0.00749,0.091
1935,0.0116,0.000442,0.007730000000000001,0.0833
1936,0.0124,0.00046300000000000003,0.00799,0.0755
1937,0.013099999999999999,0.000484,0.00826,0.0684
1938,0.013699999999999999,0.000505,0.00853,0.0625
1939,0.0141,0.0005250000000000001,0.0088,0.0585
1940,0.0143,0.000544,0.00907,0.0571
1941,0.0144,0.0005600000000000001,0.009349999999999999,0.0584
1942,0.0146,0.000575,0.009630000000000001,0.062200000000000005
1943,0.0147,0.000588,0.00991,0.0678
1944,0.0149,0.000601,0.010199999999999999,0.0747
1945,0.015099999999999999,0.000615,0.0105,0.0825
1946,0.015300000000000001,0.000629,0.0108,0.0906
1947,0.0156,0.000644,0.0111,0.0984
1948,0.0158,0.000662,0.0115,0.105
1949,0.0161,0.0006820000000000001,0.011800000000000001,0.111
1950,0.016300000000000002,0.0007059999999999999,0.012199999999999999,0.115
1951,0.0167,0.0007379999999999999,0.0126,0.118
1952,0.0173,0.000781,0.013,0.121
1953,0.018,0.000833,0.0134,0.123
1954,0.0189,0.000892,0.013900000000000001,0.125
1955,0.019899999999999998,0.000957,0.0144,0.127
1956,0.0209,0.00103,0.0149,0.129
1957,0.0219,0.0011,0.0154,0.13
1958,0.0229,0.00117,0.0159,0.132
1959,0.0237,0.00124,0.016300000000000002,0.133
1960,0.024399999999999998,0.0013,0.016800000000000002,0.135
1961,0.0249,0.0013700000000000001,0.0173,0.14
1962,0.0252,0.0014299999999999998,0.0178,0.143
1963,0.0254,0.00149,0.0183,0.14
1964,0.0255,0.00155,0.0188,0.139
1965,0.0257,0.00161,0.0193,0.139
1966,0.0259,0.0016799999999999999,0.0198,0.137
1967,0.0264,0.00175,0.0202,0.138
1968,0.027,0.00182,0.0206,0.138
1969,0.0298,0.0016899999999999999,0.021,0.133
1970,0.0286,0.0016,0.0238,0.133
1971,0.027600000000000003,0.00147,0.024399999999999998,0.135
1972,0.028399999999999998,0.00155,0.0253,0.137
1973,0.027800000000000002,0.0014199999999999998,0.0261,0.139
1974,0.0257,0.0012,0.026600000000000002,0.141
1975,0.0297,0.0011799999999999998,0.029,0.142
1976,0.027399999999999997,0.00106,0.032,0.141
1977,0.030199999999999998,0.0008629999999999999,0.0338,0.143
1978,0.06409999999999999,0.000754,0.0341,0.147
1979,0.060700000000000004,0.000851,0.0349,0.15
1980,0.0515,0.0006760000000000001,0.0367,0.15
1981,0.051,0.00066,0.037399999999999996,0.153
1982,0.0516,0.00048699999999999997,0.0399,0.154
1983,0.0512,0.000367,0.0417,0.155
1984,0.0495,0.000495,0.043,0.156
1985,0.0475,0.000519,0.044,0.154
1986,0.0434,0.000489,0.0446,0.152
1987,0.045399999999999996,0.000505,0.0444,0.152
1988,0.047700000000000006,0.000502,0.045399999999999996,0.152
1989,0.0456,0.000618,0.0458,0.153
1990,0.0427,0.0005859999999999999,0.0464,0.154
1991,0.0381,0.000521,0.0427,0.147
1992,0.015099999999999999,0.000501,0.0329,0.131
1993,-0.0067800000000000004,0.000458,0.0384,0.114
1994,-0.0011200000000000001,0.00048499999999999997,0.0407,0.0986
1995,0.0101,0.000496,0.04,0.0916
1996,0.0105,0.000465,0.045,0.0928
1997,0.0174,0.00047799999999999996,0.042,0.089
1998,0.022699999999999998,0.000437,0.0584,0.0808
1999,0.0215,0.000432,0.0793,0.0716
2000,0.007690000000000001,0.00048699999999999997,0.078,0.0676
2001,0.0026,0.000467,0.083,0.06570000000000001
2002,-0.00917,0.000484,0.0935,0.0643
2003,-0.0437,0.000492,0.09820000000000001,0.0627
2004,-0.022,0.00055,0.108,0.060700000000000004
2005,-0.025,0.000484,0.111,0.0551
2006,-0.0121,0.000553,0.129,0.054
2007,-0.0148,0.0005729999999999999,0.13,0.0522
2008,-0.0235,0.000502,0.138,0.051
2009,-0.0111,0.000389,0.124,0.0489
2010,-0.0046500000000000005,0.000499,0.123,0.047700000000000006
2011,0.0119,0.000453,0.125,0.047299999999999995
2012,0.0156,0.000479,0.13,0.046299999999999994
2013,0.015300000000000001,0.000435,0.125,0.047
2014,0.0145,0.000457,0.122,0.046299999999999994
2015,0.0358,0.00045900000000000004,0.131,0.045899999999999996
2016,0.0385,0.000376,0.129,0.0453
2017,0.0404,0.000535,0.13,0.0439
2018,0.037399999999999996,0.000501,0.13,0.0434