year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0674,4.4799999999999995e-06,0.0882,0.162
1851,0.0677,4.85e-06,0.08929999999999999,0.162
1852,0.0688,5.28e-06,0.0905,0.162
1853,0.0705,5.77e-06,0.0916,0.162
1854,0.0729,6.3e-06,0.0927,0.162
1855,0.076,6.88e-06,0.0937,0.162
1856,0.07970000000000001,7.52e-06,0.0948,0.162
1857,0.084,8.19e-06,0.0958,0.162
1858,0.0889,8.920000000000001e-06,0.0968,0.162
1859,0.09440000000000001,9.69e-06,0.0978,0.162
1860,0.101,1.0500000000000001e-05,0.0988,0.163
1861,0.107,1.1400000000000001e-05,0.0997,0.163
1862,0.114,1.22e-05,0.101,0.163
1863,0.122,1.32e-05,0.101,0.163
1864,0.13,1.4200000000000001e-05,0.102,0.163
1865,0.139,1.52e-05,0.103,0.164
1866,0.148,1.62e-05,0.104,0.164
1867,0.158,1.73e-05,0.105,0.164
1868,0.168,1.84e-05,0.105,0.164
1869,0.178,1.96e-05,0.106,0.165
1870,0.189,2.07e-05,0.107,0.165
1871,0.201,2.19e-05,0.109,0.165
1872,0.213,2.3199999999999998e-05,0.11,0.166
1873,0.225,2.44e-05,0.111,0.166
1874,0.237,2.57e-05,0.113,0.166
1875,0.25,2.7e-05,0.114,0.167
1876,0.263,2.8400000000000003e-05,0.116,0.167
1877,0.276,2.97e-05,0.117,0.167
1878,0.29,3.11e-05,0.119,0.168
1879,0.304,3.2500000000000004e-05,0.12,0.168
1880,0.318,3.39e-05,0.122,0.169
1881,0.333,3.53e-05,0.123,0.169
1882,0.347,3.68e-05,0.125,0.169
1883,0.362,3.82e-05,0.126,0.17
1884,0.377,3.9699999999999996e-05,0.128,0.17
1885,0.393,4.12e-05,0.13,0.171
1886,0.408,4.27e-05,0.131,0.171
1887,0.424,4.4200000000000004e-05,0.133,0.172
1888,0.439,4.57e-05,0.134,0.172
1889,0.455,4.72e-05,0.136,0.173
1890,0.49,7.38e-05,0.138,0.185
1891,0.507,7.9e-05,0.138,0.173
1892,0.524,8.53e-05,0.139,0.162
1893,0.542,9.279999999999999e-05,0.139,0.151
1894,0.561,0.000101,0.139,0.141
1895,0.581,0.000111,0.14,0.132
1896,0.601,0.000121,0.14,0.124
1897,0.622,0.000132,0.141,0.118
1898,0.643,0.00014299999999999998,0.142,0.113
1899,0.665,0.000155,0.142,0.11
1900,0.688,0.00016700000000000002,0.143,0.109
1901,0.714,0.000182,0.144,0.109
1902,0.745,0.0002,0.146,0.11
1903,0.779,0.00022,0.148,0.11
1904,0.815,0.000242,0.151,0.111
1905,0.85,0.000265,0.153,0.113
1906,0.883,0.000287,0.157,0.114
1907,0.912,0.000308,0.16,0.116
1908,0.935,0.000328,0.164,0.117
1909,0.951,0.000345,0.168,0.12
1910,0.957,0.000358,0.172,0.122
1911,0.952,0.000368,0.176,0.128
1912,0.938,0.000376,0.182,0.141
1913,0.918,0.000384,0.188,0.161
1914,0.893,0.000391,0.195,0.185
1915,0.865,0.000397,0.203,0.213
1916,0.838,0.00040300000000000004,0.21,0.244
1917,0.813,0.00041,0.218,0.276
1918,0.792,0.000417,0.226,0.31
1919,0.778,0.000424,0.233,0.343
1920,0.774,0.000433,0.24,0.376
1921,0.777,0.000443,0.246,0.412
1922,0.786,0.000453,0.252,0.458
1923,0.799,0.000464,0.257,0.509
1924,0.816,0.000475,0.263,0.564
1925,0.836,0.00048699999999999997,0.268,0.618
1926,0.86,0.000499,0.274,0.669
1927,0.886,0.000513,0.28,0.714
1928,0.915,0.000528,0.286,0.75
1929,0.944,0.000544,0.293,0.773
1930,0.975,0.0005610000000000001,0.301,0.782
1931,1.02,0.0005809999999999999,0.309,0.771
1932,1.09,0.000606,0.318,0.743
1933,1.19,0.000634,0.328,0.701
1934,1.29,0.000665,0.339,0.65
1935,1.4,0.0006979999999999999,0.35,0.594
1936,1.5,0.000731,0.362,0.539
1937,1.6,0.0007650000000000001,0.373,0.488
1938,1.68,0.000798,0.386,0.446
1939,1.73,0.00083,0.398,0.417
1940,1.76,0.000859,0.41,0.407
1941,1.76,0.000885,0.423,0.416
1942,1.77,0.0009080000000000001,0.435,0.443
1943,1.78,0.000929,0.448,0.483
1944,1.79,0.00095,0.462,0.533
1945,1.8,0.000971,0.475,0.588
1946,1.81,0.000993,0.489,0.646
1947,1.82,0.00102,0.504,0.702
1948,1.83,0.0010500000000000002,0.519,0.753
1949,1.84,0.00108,0.535,0.794
1950,1.85,0.0011200000000000001,0.551,0.823
1951,1.88,0.00117,0.569,0.843
1952,1.93,0.00123,0.588,0.861
1953,2.01,0.00132,0.608,0.877
1954,2.1,0.00141,0.629,0.892
1955,2.2,0.00151,0.651,0.906
1956,2.31,0.0016200000000000001,0.673,0.919
1957,2.42,0.00173,0.695,0.93
1958,2.53,0.00185,0.717,0.942
1959,2.63,0.00196,0.739,0.952
1960,2.72,0.00206,0.76,0.963
1961,2.79,0.00216,0.781,1.03
1962,2.84,0.00226,0.804,1.06
1963,2.88,0.00235,0.826,1.06
1964,2.92,0.0024500000000000004,0.85,1.07
1965,2.96,0.0025499999999999997,0.872,1.07
1966,3.02,0.00265,0.894,1.11
1967,3.09,0.00276,0.914,1.14
1968,3.2,0.0028799999999999997,0.933,1.15
1969,3.34,0.00269,0.931,1.17
1970,3.13,0.00259,0.913,1.14
1971,3.19,0.00249,0.986,1.16
1972,3.25,0.00264,0.997,1.19
1973,3.34,0.0026,1.01,1.25
1974,3.41,0.0024500000000000004,1.02,1.32
1975,3.53,0.0025,1.02,1.33
1976,3.63,0.0025299999999999997,1.04,1.29
1977,3.67,0.00242,1.04,1.3
1978,3.9,0.0023799999999999997,1.05,1.32
1979,3.99,0.0025299999999999997,1.06,1.3
1980,3.74,0.0022299999999999998,1.07,1.27
1981,3.17,0.00199,1.07,1.19
1982,3.6,0.00165,1.09,1.2
1983,3.53,0.0016799999999999999,1.1,1.14
1984,3.44,0.00188,1.11,1.15
1985,3.39,0.00182,1.11,1.13
1986,3.37,0.00181,1.12,1.11
1987,3.35,0.0018,1.12,1.07
1988,3.27,0.0017900000000000001,1.13,1.05
1989,2.96,0.00166,1.14,1.07
1990,2.43,0.00148,1.13,1.03
1991,2.34,0.0011200000000000001,1.14,0.939
1992,2.29,0.000985,0.984,0.874
1993,2.24,0.0009220000000000001,0.966,0.803
1994,2.21,0.00093,0.873,0.793
1995,2.2,0.0011200000000000001,0.806,0.763
1996,2.16,0.00101,0.852,0.734
1997,2.11,0.0011200000000000001,0.812,0.747
1998,1.78,0.000839,0.867,0.715
1999,1.69,0.000615,0.919,0.68
2000,1.54,0.000743,0.796,0.64
2001,1.52,0.000627,0.709,0.614
2002,1.5,0.000621,0.613,0.605
2003,1.46,0.00064,0.568,0.603
2004,1.44,0.000809,0.542,0.582
2005,1.45,0.0005759999999999999,0.571,0.594
2006,1.45,0.0006590000000000001,0.567,0.605
2007,1.39,0.000749,0.564,0.606
2008,1.37,0.000679,0.545,0.598
2009,1.32,0.000447,0.541,0.582
2010,1.36,0.000522,0.546,0.587
2011,1.37,0.000588,0.531,0.575
2012,1.43,0.000546,0.53,0.567
2013,1.44,0.0005470000000000001,0.466,0.565
2014,1.41,0.000584,0.432,0.567
2015,1.44,0.00062,0.414,0.57
2016,1.47,0.000533,0.395,0.559
2017,1.48,0.000592,0.381,0.576
2018,1.47,0.000569,0.373,0.588