year,IPC2
1850,1.1399999999999999e-06
1851,1.1399999999999999e-06
1852,1.1399999999999999e-06
1853,1.1399999999999999e-06
1854,1.1399999999999999e-06
1855,1.1399999999999999e-06
1856,1.1399999999999999e-06
1857,1.1399999999999999e-06
1858,1.1399999999999999e-06
1859,1.1399999999999999e-06
1860,1.1399999999999999e-06
1861,1.1399999999999999e-06
1862,1.1399999999999999e-06
1863,1.1399999999999999e-06
1864,1.15e-06
1865,1.15e-06
1866,1.15e-06
1867,1.15e-06
1868,1.15e-06
1869,1.15e-06
1870,1.15e-06
1871,1.15e-06
1872,1.15e-06
1873,1.15e-06
1874,1.15e-06
1875,1.15e-06
1876,1.15e-06
1877,1.15e-06
1878,1.15e-06
1879,1.15e-06
1880,1.15e-06
1881,1.15e-06
1882,1.15e-06
1883,1.15e-06
1884,1.15e-06
1885,1.15e-06
1886,1.15e-06
1887,1.15e-06
1888,1.15e-06
1889,1.15e-06
1890,1.15e-06
1891,1.34e-06
1892,1.8699999999999999e-06
1893,2.68e-06
1894,3.6900000000000002e-06
1895,4.839999999999999e-06
1896,6.0600000000000004e-06
1897,7.3e-06
1898,8.47e-06
1899,9.52e-06
1900,1.0399999999999999e-05
1901,1.11e-05
1902,1.17e-05
1903,1.23e-05
1904,1.29e-05
1905,1.34e-05
1906,1.4e-05
1907,1.46e-05
1908,1.52e-05
1909,1.58e-05
1910,1.66e-05
1911,1.74e-05
1912,1.8200000000000002e-05
1913,1.91e-05
1914,2.01e-05
1915,2.11e-05
1916,2.22e-05
1917,2.33e-05
1918,2.44e-05
1919,2.5600000000000002e-05
1920,2.69e-05
1921,3.2099999999999994e-05
1922,4.4e-05
1923,6.14e-05
1924,8.309999999999999e-05
1925,0.000108
1926,0.000134
1927,0.00016
1928,0.000185
1929,0.000208
1930,0.00022700000000000002
1931,0.000244
1932,0.000259
1933,0.000275
1934,0.00029
1935,0.000305
1936,0.000319
1937,0.00033400000000000004
1938,0.000348
1939,0.000363
1940,0.000378
1941,0.000406
1942,0.00045400000000000003
1943,0.0005200000000000001
1944,0.0006
1945,0.000691
1946,0.000789
1947,0.000891
1948,0.000993
1949,0.00109
1950,0.0011799999999999998
1951,0.00127
1952,0.00136
1953,0.00146
1954,0.00155
1955,0.00165
1956,0.00175
1957,0.00185
1958,0.00195
1959,0.0020499999999999997
1960,0.00216
1961,0.00229
1962,0.00242
1963,0.0025499999999999997
1964,0.00268
1965,0.00282
1966,0.00296
1967,0.0031
1968,0.00325
1969,0.00392
1970,0.00532
1971,0.00741
1972,0.00788
1973,0.0124
1974,0.0119
1975,0.0126
1976,0.0158
1977,0.0197
1978,0.0219
1979,0.027800000000000002
1980,0.030699999999999998
1981,0.0353
1982,0.0424
1983,0.046
1984,0.0546
1985,0.0583
1986,0.0668
1987,0.07840000000000001
1988,0.0824
1989,0.0866
1990,0.0987
1991,0.11
1992,0.136
1993,0.16
1994,0.231
1995,0.359
1996,0.5
1997,0.628
1998,0.8
1999,1.01
2000,1.24
2001,1.42
2002,1.63
2003,1.82
2004,2.04
2005,2.23
2006,2.49
2007,2.71
2008,2.93
2009,3.02
2010,3.12
2011,3.52
2012,3.51
2013,3.59
2014,3.82
2015,3.97
2016,4.02
2017,4.29
2018,4.39