year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0,0.0,0.0,0.0
1851,0.0,0.0,0.0,0.0
1852,0.0,0.0,0.0,0.0
1853,0.0,0.0,0.0,0.0
1854,0.0,0.0,0.0,0.0
1855,0.0,0.0,0.0,0.0
1856,0.0,0.0,0.0,0.0
1857,0.0,0.0,0.0,0.0
1858,0.0,0.0,0.0,0.0
1859,0.0,0.0,0.0,0.0
1860,0.0,0.0,0.0,0.0
1861,0.0,0.0,0.0,0.0
1862,0.0,0.0,0.0,0.0
1863,0.0,0.0,0.0,0.0
1864,0.0,0.0,0.0,0.0
1865,0.0,0.0,0.0,0.0
1866,0.0,0.0,0.0,0.0
1867,0.0,0.0,0.0,0.0
1868,0.0,0.0,0.0,0.0
1869,0.0,0.0,0.0,0.0
1870,0.0,0.0,0.0,0.0
1871,0.0,0.0,0.0,0.0
1872,0.0,0.0,0.0,0.0
1873,0.0,0.0,0.0,0.0
1874,0.0,0.0,0.0,0.0
1875,0.0,0.0,0.0,0.0
1876,0.0,0.0,0.0,0.0
1877,0.0,0.0,0.0,0.0
1878,0.0,0.0,0.0,0.0
1879,0.0,0.0,0.0,0.0
1880,0.0,0.0,0.0,0.0
1881,8.319999999999999e-05,0.000808,9.02e-09,1.1e-07
1882,0.00019600000000000002,0.00191,2.13e-08,2.5900000000000003e-07
1883,0.000335,0.00325,3.63e-08,4.4e-07
1884,0.000492,0.00478,5.33e-08,6.48e-07
1885,0.000664,0.00644,7.2e-08,8.74e-07
1886,0.000867,0.00842,9.4e-08,1.1399999999999999e-06
1887,0.00111,0.0108,1.21e-07,1.47e-06
1888,0.00139,0.0135,1.5100000000000002e-07,1.83e-06
1889,0.0016899999999999999,0.016399999999999998,1.83e-07,2.2200000000000003e-06
1890,0.00199,0.0123,2.16e-07,2.62e-06
1891,0.00232,0.0123,2.52e-07,3.06e-06
1892,0.00257,0.0123,2.79e-07,3.3899999999999997e-06
1893,0.00455,0.0123,4.95e-07,6.01e-06
1894,0.00869,0.0124,9.44e-07,1.15e-05
1895,0.00869,0.0124,9.44e-07,1.15e-05
1896,0.009689999999999999,0.0124,1.05e-06,1.2800000000000001e-05
1897,0.00754,0.0124,8.189999999999999e-07,9.94e-06
1898,0.0114,0.0124,1.24e-06,1.5100000000000001e-05
1899,0.013300000000000001,0.0124,1.4499999999999999e-06,1.76e-05
1900,0.018,0.0124,1.96e-06,2.3800000000000003e-05
1901,0.0197,0.0125,2.14e-06,2.6e-05
1902,0.0185,0.0125,2.0100000000000002e-06,2.44e-05
1903,0.02,0.0125,2.18e-06,2.64e-05
1904,0.0214,0.0125,2.32e-06,2.82e-05
1905,0.0232,0.0126,2.52e-06,3.06e-05
1906,0.027800000000000002,0.0126,3.01e-06,3.66e-05
1907,0.028300000000000002,0.0126,3.07e-06,3.73e-05
1908,0.0304,0.0126,3.3e-06,4.01e-05
1909,0.0313,0.0127,3.3899999999999997e-06,4.12e-05
1910,0.030899999999999997,0.0127,3.36e-06,4.07e-05
1911,0.0335,0.0128,3.63e-06,4.41e-05
1912,0.0343,0.0128,3.7200000000000004e-06,4.5199999999999994e-05
1913,0.09409999999999999,0.0128,1.02e-05,0.000124
1914,0.09209999999999999,0.0129,1e-05,0.000122
1915,0.0872,0.0129,9.48e-06,0.000115
1916,0.0808,0.013,8.779999999999999e-06,0.000107
1917,0.07440000000000001,0.013,8.08e-06,9.82e-05
1918,0.0694,0.013099999999999999,7.5500000000000006e-06,9.16e-05
1919,0.0675,0.0132,7.33e-06,8.9e-05
1920,0.0895,0.0132,9.73e-06,0.000118
1921,0.0953,0.013300000000000001,1.0399999999999999e-05,0.000126
1922,0.137,0.0134,1.49e-05,0.00018099999999999998
1923,0.15,0.0135,1.63e-05,0.00019800000000000002
1924,0.154,0.0135,1.67e-05,0.000203
1925,0.168,0.0136,1.83e-05,0.000222
1926,0.164,0.013699999999999999,1.78e-05,0.000216
1927,0.185,0.013900000000000001,2.01e-05,0.000244
1928,0.201,0.014,2.19e-05,0.000265
1929,0.229,0.0141,2.49e-05,0.000303
1930,0.215,0.014199999999999999,2.33e-05,0.000283
1931,0.19,0.0144,2.06e-05,0.00025
1932,0.174,0.0145,1.89e-05,0.000229
1933,0.161,0.0147,1.74e-05,0.000212
1934,0.167,0.0148,1.8200000000000002e-05,0.000221
1935,0.175,0.015,1.9e-05,0.00023
1936,0.173,0.0152,1.88e-05,0.000228
1937,0.194,0.0154,2.11e-05,0.000256
1938,0.185,0.0157,2.01e-05,0.000244
1939,0.195,0.0159,2.12e-05,0.000257
1940,0.233,0.016300000000000002,2.53e-05,0.000307
1941,0.172,0.0167,1.87e-05,0.000228
1942,0.0605,0.0174,6.56e-06,7.97e-05
1943,0.000247,0.0182,6.88e-09,8.35e-08
1944,0.00176,0.0192,1.72e-07,2.09e-06
1945,0.116,0.020399999999999998,1.26e-05,0.000153
1946,0.225,0.0217,2.4500000000000003e-05,0.000297
1947,0.308,0.0232,3.35e-05,0.00040699999999999997
1948,0.35,0.0249,3.8100000000000005e-05,0.000462
1949,0.401,0.026699999999999998,4.35e-05,0.0005290000000000001
1950,0.377,0.0286,4.09e-05,0.000497
1951,0.356,0.031100000000000003,3.87e-05,0.00047099999999999996
1952,0.358,0.0347,3.89e-05,0.00047299999999999995
1953,0.351,0.0391,3.82e-05,0.000464
1954,0.422,0.0441,4.58e-05,0.0005570000000000001
1955,0.484,0.0498,5.26e-05,0.000639
1956,0.556,0.055799999999999995,6.05e-05,0.000734
1957,0.6,0.062,6.52e-05,0.000791
1958,0.589,0.0684,6.4e-05,0.000778
1959,0.676,0.0746,7.340000000000001e-05,0.000892
1960,0.736,0.08070000000000001,8e-05,0.000972
1961,0.773,0.0866,8.41e-05,0.00102
1962,0.79,0.0925,8.59e-05,0.0010400000000000001
1963,0.876,0.0986,9.520000000000001e-05,0.00116
1964,0.99,0.105,0.000108,0.00131
1965,1.01,0.111,0.00010899999999999999,0.00133
1966,0.985,0.118,0.000107,0.0013
1967,0.975,0.125,0.000106,0.0012900000000000001
1968,1.03,0.132,0.000112,0.00136
1969,1.05,0.14,0.000114,0.00139
1970,1.38,0.135,0.000135,0.0017800000000000001
1971,1.49,0.144,0.00014399999999999998,0.0018
1972,1.37,0.155,0.000152,0.0018
1973,1.6,0.176,0.00016,0.0018
1974,1.61,0.19,0.000175,0.00181
1975,1.69,0.224,0.000183,0.00189
1976,1.74,0.206,0.000194,0.00199
1977,1.68,0.207,0.00020899999999999998,0.00204
1978,1.87,0.228,0.000224,0.00215
1979,2.02,0.244,0.000237,0.0024700000000000004
1980,1.96,0.25,0.000248,0.00234
1981,2.2,0.245,0.000258,0.0024
1982,1.98,0.255,0.000266,0.00248
1983,2.16,0.265,0.000273,0.0020299999999999997
1984,2.28,0.257,0.000283,0.00396
1985,2.33,0.253,0.00029099999999999997,0.0042699999999999995
1986,2.43,0.282,0.000304,0.00307
1987,2.38,0.295,0.000311,0.0033900000000000002
1988,2.49,0.291,0.000317,0.00249
1989,2.46,0.276,0.00032700000000000003,0.0041600000000000005
1990,2.47,0.227,0.000294,0.0030800000000000003
1991,1.63,0.193,0.000287,0.0020299999999999997
1992,1.75,0.16,0.00030199999999999997,0.004070000000000001
1993,1.55,0.091,0.00029099999999999997,0.00298
1994,1.55,0.113,0.000294,0.00379
1995,1.6,0.125,0.000332,0.0030499999999999998
1996,1.97,0.2,0.000433,0.009089999999999999
1997,2.26,0.206,0.000426,0.00831
1998,2.3,0.207,0.000429,0.00887
1999,1.48,0.136,0.00040300000000000004,0.0072699999999999996
2000,1.6,0.162,0.000415,0.00758
2001,1.89,0.21,0.000494,0.0181
2002,2.06,0.194,0.000464,0.013300000000000001
2003,2.23,0.175,0.000443,0.009089999999999999
2004,2.45,0.201,0.00047099999999999996,0.0141
2005,2.47,0.196,0.00047099999999999996,0.0129
2006,2.44,0.197,0.00047799999999999996,0.00272
2007,2.29,0.225,0.000555,0.00289
2008,2.78,0.225,0.0005480000000000001,0.00228
2009,1.83,0.162,0.00055,0.0024
2010,2.62,0.202,0.000594,0.00287
2011,2.62,0.22,0.000597,0.00317
2012,2.37,0.128,0.00057,0.0045
2013,2.27,0.135,0.000578,0.00718
2014,2.22,0.123,0.0006,0.00325
2015,2.41,0.122,0.000611,0.0044800000000000005
2016,2.52,0.139,0.00064,0.00692
2017,2.61,0.152,0.000666,0.00709
2018,2.63,0.143,0.000617,0.00649