year,IPC2
1850,6.38e-07
1851,6.38e-07
1852,6.38e-07
1853,6.38e-07
1854,6.38e-07
1855,6.38e-07
1856,6.38e-07
1857,6.38e-07
1858,6.38e-07
1859,6.38e-07
1860,6.38e-07
1861,6.38e-07
1862,6.38e-07
1863,6.38e-07
1864,6.38e-07
1865,6.38e-07
1866,6.38e-07
1867,6.38e-07
1868,6.38e-07
1869,6.38e-07
1870,6.38e-07
1871,6.38e-07
1872,6.38e-07
1873,6.38e-07
1874,6.38e-07
1875,6.38e-07
1876,6.38e-07
1877,6.38e-07
1878,6.38e-07
1879,6.38e-07
1880,6.38e-07
1881,6.38e-07
1882,6.38e-07
1883,6.38e-07
1884,6.39e-07
1885,6.39e-07
1886,6.39e-07
1887,6.39e-07
1888,6.39e-07
1889,6.39e-07
1890,6.39e-07
1891,7.46e-07
1892,1.04e-06
1893,1.49e-06
1894,2.0500000000000003e-06
1895,2.7e-06
1896,3.3800000000000002e-06
1897,4.07e-06
1898,4.7200000000000005e-06
1899,5.31e-06
1900,5.79e-06
1901,6.18e-06
1902,6.53e-06
1903,6.87e-06
1904,7.18e-06
1905,7.49e-06
1906,7.79e-06
1907,8.109999999999999e-06
1908,8.46e-06
1909,8.82e-06
1910,9.23e-06
1911,9.679999999999999e-06
1912,1.02e-05
1913,1.07e-05
1914,1.12e-05
1915,1.18e-05
1916,1.23e-05
1917,1.3e-05
1918,1.3599999999999999e-05
1919,1.43e-05
1920,1.4999999999999999e-05
1921,1.7999999999999997e-05
1922,2.49e-05
1923,3.5000000000000004e-05
1924,4.7600000000000005e-05
1925,6.18e-05
1926,7.68e-05
1927,9.2e-05
1928,0.000106
1929,0.00011899999999999999
1930,0.00013000000000000002
1931,0.00013900000000000002
1932,0.000148
1933,0.000156
1934,0.000164
1935,0.00017199999999999998
1936,0.00017999999999999998
1937,0.000187
1938,0.000195
1939,0.000203
1940,0.000212
1941,0.00023
1942,0.000264
1943,0.000313
1944,0.000373
1945,0.000442
1946,0.000516
1947,0.000592
1948,0.000669
1949,0.000742
1950,0.000809
1951,0.000874
1952,0.000939
1953,0.00101
1954,0.00107
1955,0.00114
1956,0.00121
1957,0.0012900000000000001
1958,0.00136
1959,0.0014299999999999998
1960,0.0015
1961,0.00158
1962,0.00165
1963,0.00172
1964,0.0017900000000000001
1965,0.00186
1966,0.0019399999999999999
1967,0.00202
1968,0.00211
1969,0.00221
1970,0.0024100000000000002
1971,0.00272
1972,0.00271
1973,0.00329
1974,0.00333
1975,0.00387
1976,0.00463
1977,0.00534
1978,0.00615
1979,0.0074800000000000005
1980,0.00856
1981,0.00905
1982,0.01
1983,0.0101
1984,0.011300000000000001
1985,0.011300000000000001
1986,0.0134
1987,0.0161
1988,0.0175
1989,0.019
1990,0.0225
1991,0.0405
1992,0.061700000000000005
1993,0.0975
1994,0.146
1995,0.242
1996,0.347
1997,0.456
1998,0.402
1999,0.747
2000,1.06
2001,1.09
2002,1.05
2003,1.18
2004,1.21
2005,1.31
2006,1.36
2007,1.42
2008,1.48
2009,1.28
2010,1.44
2011,1.49
2012,1.47
2013,1.52
2014,1.62
2015,1.62
2016,1.74
2017,1.79
2018,1.57