year,IPC1,IPC2,IPCMAG
1850,0.0,0.0,0.0
1851,0.0,0.0,0.0
1852,0.0,0.0,0.0
1853,0.0,0.0,0.0
1854,0.0,0.0,0.0
1855,0.0,0.0,0.0
1856,0.0,0.0,0.0
1857,0.0,0.0,0.0
1858,0.0,0.0,0.0
1859,0.0,0.0,0.0
1860,0.0,0.0,0.0
1861,0.0,0.0,0.0
1862,0.0,0.0,0.0
1863,0.0,0.0,0.0
1864,0.0,0.0,0.0
1865,0.0,0.0,0.0
1866,0.0,0.0,0.0
1867,0.0,0.0,0.0
1868,0.0,0.0,0.0
1869,0.0,0.0,0.0
1870,0.0,0.0,0.0
1871,0.0,0.0,0.0
1872,0.0,0.0,0.0
1873,0.0,0.0,0.0
1874,0.0,0.0,0.0
1875,0.0,0.0,0.0
1876,0.0,0.0,0.0
1877,0.0,0.0,0.0
1878,0.0,0.0,0.0
1879,0.0,0.0,0.0
1880,0.0,0.0,0.0
1881,0.0,0.0,0.0
1882,0.0,0.0,0.0
1883,0.0,0.0,0.0
1884,0.0,0.0,0.0
1885,0.0,0.0,0.0
1886,0.0,0.0,0.0
1887,0.0,0.0,0.0
1888,0.0,0.0,0.0
1889,0.0,0.0,0.0
1890,0.0,0.00471,0.0
1891,0.0,0.004719999999999999,0.0
1892,0.0,0.004719999999999999,0.0
1893,0.0,0.004730000000000001,0.0
1894,0.0,0.00474,0.0
1895,0.0,0.00475,0.0
1896,0.0,0.0047599999999999995,0.0
1897,0.0,0.00477,0.0
1898,0.0,0.00478,0.0
1899,0.0,0.00479,0.0
1900,0.0,0.0048,0.0
1901,0.0,0.00481,0.0
1902,0.0,0.0048200000000000005,0.0
1903,0.0,0.00483,0.0
1904,0.0,0.00484,0.0
1905,0.0,0.004860000000000001,0.0
1906,0.0,0.00487,0.0
1907,0.0,0.00488,0.0
1908,0.0,0.004900000000000001,0.0
1909,0.0,0.00491,0.0
1910,0.0,0.0049299999999999995,0.0
1911,0.0,0.00495,0.0
1912,0.0,0.00496,0.0
1913,0.0,0.00498,0.0
1914,0.0,0.0049900000000000005,0.0
1915,0.0,0.00501,0.0
1916,0.0,0.005030000000000001,0.0
1917,0.0,0.00505,0.0
1918,0.0,0.00508,0.0
1919,0.0,0.00511,0.0
1920,0.0,0.00515,0.0
1921,0.0,0.00525,0.0
1922,0.0,0.00545,0.0
1923,0.0,0.00575,0.0
1924,0.0,0.00613,0.0
1925,0.0,0.00658,0.0
1926,0.0,0.0070999999999999995,0.0
1927,0.0,0.00767,0.0
1928,0.0,0.00828,0.0
1929,0.0,0.00893,0.0
1930,0.0,0.0096,0.0
1931,0.0,0.0103,0.0
1932,0.0,0.0112,0.0
1933,0.0,0.0121,0.0
1934,0.0,0.013300000000000001,0.0
1935,0.0,0.0145,0.0
1936,0.00733,0.016,7.65e-07
1937,0.0257,0.0176,2.68e-06
1938,0.205,0.019399999999999997,2.14e-05
1939,1.65,0.0214,0.00017299999999999998
1940,2.15,0.023600000000000003,0.000224
1941,1.81,0.0265,0.000189
1942,1.9,0.0305,0.000199
1943,1.99,0.0355,0.000208
1944,3.26,0.0414,0.00034100000000000005
1945,8.82,0.048299999999999996,0.00092
1946,25.2,0.0562,0.00263
1947,37.8,0.0648,0.00394
1948,18.0,0.07429999999999999,0.0018700000000000001
1949,18.4,0.0845,0.0019199999999999998
1950,5.14,0.0955,0.000537
1951,0.0,0.109,0.0
1952,0.0,0.126,0.0
1953,0.477,0.147,4.98e-05
1954,1.24,0.171,0.000129
1955,2.12,0.198,0.000221
1956,1.63,0.228,0.00017
1957,2.1,0.259,0.000219
1958,2.0,1.64,0.00020899999999999998
1959,1.82,0.364,0.00019
1960,2.63,0.407,0.000275
1961,3.52,0.452,0.000367
1962,6.16,0.534,0.000643
1963,6.85,0.586,0.0007149999999999999
1964,6.92,0.664,0.000722
1965,4.1,0.713,0.000428
1966,6.29,0.771,0.000656
1967,25.3,0.871,0.000694
1968,28.9,1.03,0.000896
1969,35.0,1.15,0.0011899999999999999
1970,45.0,1.25,0.00171
1971,59.5,1.3,0.00221
1972,69.9,1.5,0.00186
1973,94.6,1.49,0.00225
1974,98.3,1.6,0.0024
1975,82.8,1.68,0.00278
1976,101.0,1.69,0.00249
1977,118.0,1.84,0.00323
1978,114.0,2.14,0.000911
1979,137.0,2.38,0.0033799999999999998
1980,168.0,2.76,0.00992
1981,173.0,3.67,0.019399999999999997
1982,155.0,4.96,0.0294
1983,157.0,5.62,0.0688
1984,152.0,5.42,0.09759999999999999
1985,169.0,9.28,0.09190000000000001
1986,200.0,10.1,0.106
1987,186.0,10.6,0.143
1988,197.0,12.7,0.142
1989,198.0,12.9,0.166
1990,180.0,13.4,0.179
1991,262.0,13.0,0.191
1992,278.0,14.6,0.19
1993,306.0,16.1,0.176
1994,300.0,16.9,0.124
1995,227.0,17.5,0.104
1996,251.0,18.4,0.13
1997,209.0,18.1,0.15
1998,200.0,18.7,0.122
1999,218.0,19.0,0.151
2000,288.0,22.7,0.161
2001,287.0,29.8,0.171
2002,315.0,31.0,0.174
2003,315.0,31.4,0.182
2004,383.0,32.8,0.179
2005,385.0,33.3,0.168
2006,419.0,35.2,0.155
2007,373.0,38.6,0.148
2008,414.0,43.7,0.137
2009,446.0,48.5,0.146
2010,497.0,52.8,0.153
2011,476.0,58.5,0.0726
2012,538.0,64.8,0.073
2013,513.0,70.6,0.125
2014,572.0,73.2,0.118
2015,590.0,71.4,0.136
2016,601.0,73.9,0.13
2017,595.0,71.4,0.124
2018,575.0,72.1,0.121