year,IPC2
1850,9.439999999999999e-09
1851,9.439999999999999e-09
1852,9.439999999999999e-09
1853,9.439999999999999e-09
1854,9.439999999999999e-09
1855,9.439999999999999e-09
1856,9.439999999999999e-09
1857,9.439999999999999e-09
1858,9.439999999999999e-09
1859,9.439999999999999e-09
1860,9.439999999999999e-09
1861,9.439999999999999e-09
1862,9.449999999999999e-09
1863,9.449999999999999e-09
1864,9.449999999999999e-09
1865,9.449999999999999e-09
1866,9.449999999999999e-09
1867,9.449999999999999e-09
1868,9.449999999999999e-09
1869,9.449999999999999e-09
1870,9.449999999999999e-09
1871,9.449999999999999e-09
1872,9.449999999999999e-09
1873,9.449999999999999e-09
1874,9.449999999999999e-09
1875,9.449999999999999e-09
1876,9.449999999999999e-09
1877,9.449999999999999e-09
1878,9.449999999999999e-09
1879,9.449999999999999e-09
1880,9.449999999999999e-09
1881,9.449999999999999e-09
1882,9.449999999999999e-09
1883,9.449999999999999e-09
1884,9.46e-09
1885,9.46e-09
1886,9.46e-09
1887,9.46e-09
1888,9.46e-09
1889,9.46e-09
1890,9.46e-09
1891,1.08e-08
1892,1.46e-08
1893,2.03e-08
1894,2.7399999999999997e-08
1895,3.56e-08
1896,4.43e-08
1897,5.3e-08
1898,6.13e-08
1899,6.87e-08
1900,7.480000000000001e-08
1901,7.98e-08
1902,8.430000000000001e-08
1903,8.849999999999999e-08
1904,9.25e-08
1905,9.64e-08
1906,1.0000000000000001e-07
1907,1.0399999999999999e-07
1908,1.0900000000000001e-07
1909,1.1299999999999999e-07
1910,1.1900000000000001e-07
1911,1.24e-07
1912,1.3e-07
1913,1.37e-07
1914,1.43e-07
1915,1.5100000000000002e-07
1916,1.5799999999999999e-07
1917,1.66e-07
1918,1.74e-07
1919,1.83e-07
1920,1.92e-07
1921,3.37e-07
1922,7.19e-07
1923,1.28e-06
1924,1.9699999999999998e-06
1925,2.7200000000000002e-06
1926,3.49e-06
1927,4.21e-06
1928,4.839999999999999e-06
1929,5.31e-06
1930,5.57e-06
1931,5.62e-06
1932,5.51e-06
1933,5.3e-06
1934,5.0099999999999995e-06
1935,4.669999999999999e-06
1936,4.34e-06
1937,4.05e-06
1938,3.83e-06
1939,3.7200000000000004e-06
1940,3.76e-06
1941,0.000101
1942,0.000371
1943,0.000785
1944,0.00131
1945,0.0019199999999999998
1946,0.0025800000000000003
1947,0.00326
1948,0.00393
1949,0.00456
1950,0.00511
1951,0.00562
1952,0.00614
1953,0.0066500000000000005
1954,0.0071600000000000006
1955,0.00767
1956,0.00819
1957,0.0087
1958,0.009210000000000001
1959,0.00973
1960,0.010199999999999999
1961,0.0107
1962,0.0111
1963,0.0115
1964,0.0119
1965,0.0123
1966,0.0127
1967,0.0132
1968,0.013800000000000002
1969,0.0145
1970,0.038200000000000005
1971,0.13
1972,0.178
1973,0.233
1974,0.234
1975,0.263
1976,0.272
1977,0.309
1978,0.319
1979,0.365
1980,0.344
1981,0.411
1982,0.436
1983,0.473
1984,0.603
1985,0.704
1986,0.81
1987,0.91
1988,1.2
1989,1.35
1990,1.33
1991,1.3
1992,1.28
1993,1.16
1994,1.05
1995,0.955
1996,0.902
1997,0.862
1998,1.26
1999,1.31
2000,1.51
2001,1.68
2002,1.41
2003,1.16
2004,0.954
2005,0.989
2006,1.07
2007,1.11
2008,1.82
2009,0.916
2010,1.52
2011,2.09
2012,2.21
2013,2.78
2014,2.31
2015,3.66
2016,4.35
2017,3.88
2018,4.58