year,IPC2
1850,4.31e-05
1851,4.31e-05
1852,4.31e-05
1853,4.31e-05
1854,4.31e-05
1855,4.31e-05
1856,4.31e-05
1857,4.31e-05
1858,4.31e-05
1859,4.31e-05
1860,4.31e-05
1861,4.31e-05
1862,4.31e-05
1863,4.31e-05
1864,4.31e-05
1865,4.31e-05
1866,4.31e-05
1867,4.31e-05
1868,4.31e-05
1869,4.31e-05
1870,4.31e-05
1871,4.31e-05
1872,4.31e-05
1873,4.31e-05
1874,4.31e-05
1875,4.31e-05
1876,4.31e-05
1877,4.31e-05
1878,4.31e-05
1879,4.31e-05
1880,4.31e-05
1881,4.31e-05
1882,4.31e-05
1883,4.31e-05
1884,4.31e-05
1885,4.31e-05
1886,4.31e-05
1887,4.31e-05
1888,4.32e-05
1889,4.32e-05
1890,4.32e-05
1891,4.94e-05
1892,6.65e-05
1893,9.25e-05
1894,0.000125
1895,0.000162
1896,0.000202
1897,0.000242
1898,0.00028000000000000003
1899,0.000313
1900,0.00034100000000000005
1901,0.000364
1902,0.00038500000000000003
1903,0.000404
1904,0.000422
1905,0.00044
1906,0.000458
1907,0.00047599999999999997
1908,0.000496
1909,0.000517
1910,0.000541
1911,0.0005669999999999999
1912,0.000594
1913,0.000623
1914,0.0006540000000000001
1915,0.000687
1916,0.000721
1917,0.000757
1918,0.000794
1919,0.000834
1920,0.000875
1921,0.00266
1922,0.00743
1923,0.0145
1924,0.023
1925,0.0324
1926,0.0418
1927,0.0505
1928,0.0579
1929,0.063
1930,0.0653
1931,0.06470000000000001
1932,0.061700000000000005
1933,0.0571
1934,0.0514
1935,0.0451
1936,0.038799999999999994
1937,0.033100000000000004
1938,0.0285
1939,0.0255
1940,0.0248
1941,0.0256
1942,0.0268
1943,0.028399999999999998
1944,0.0304
1945,0.032600000000000004
1946,0.0351
1947,0.037700000000000004
1948,0.0405
1949,0.0434
1950,0.0464
1951,0.0495
1952,0.053
1953,0.056799999999999996
1954,0.061
1955,0.0655
1956,0.0703
1957,0.07540000000000001
1958,0.0809
1959,0.0866
1960,0.09259999999999999
1961,0.0994
1962,0.107
1963,0.116
1964,0.126
1965,0.137
1966,0.148
1967,0.16
1968,0.172
1969,0.185
1970,0.247
1971,0.263
1972,0.275
1973,0.319
1974,0.423
1975,0.428
1976,0.475
1977,0.517
1978,0.655
1979,1.17
1980,1.73
1981,1.78
1982,1.62
1983,1.93
1984,2.18
1985,2.26
1986,2.37
1987,2.44
1988,2.53
1989,3.01
1990,3.21
1991,3.21
1992,2.9
1993,2.64
1994,2.16
1995,2.15
1996,2.06
1997,2.02
1998,1.65
1999,1.09
2000,1.12
2001,1.2
2002,0.951
2003,0.928
2004,1.39
2005,1.25
2006,1.5
2007,1.66
2008,1.86
2009,1.97
2010,2.14
2011,1.67
2012,1.7
2013,1.76
2014,1.83
2015,1.9
2016,1.96
2017,2.03
2018,2.09