year,IPC2
1850,0.0
1851,0.0
1852,0.0
1853,0.0
1854,0.0
1855,0.0
1856,0.0
1857,0.0
1858,0.0
1859,0.0
1860,0.0
1861,0.0
1862,0.0
1863,0.0
1864,0.0
1865,0.0
1866,0.0
1867,0.0
1868,0.0
1869,0.0
1870,0.0
1871,0.0
1872,0.0
1873,0.0
1874,0.0
1875,0.0
1876,0.0
1877,0.0
1878,0.0
1879,0.0
1880,0.0
1881,0.0
1882,0.0
1883,0.0
1884,0.0
1885,0.0
1886,0.0
1887,0.0
1888,0.0
1889,0.0
1890,0.0
1891,0.0
1892,0.0
1893,0.0
1894,0.0
1895,0.0
1896,0.0
1897,0.0
1898,0.0
1899,0.0
1900,0.0
1901,0.0
1902,0.0
1903,0.0
1904,0.0
1905,0.0
1906,0.0
1907,0.0
1908,0.0
1909,0.0
1910,0.0
1911,0.0
1912,0.0
1913,0.0
1914,0.0
1915,0.0
1916,0.0
1917,0.0
1918,0.0
1919,0.0
1920,0.0
1921,1.76e-06
1922,6.55e-06
1923,1.3599999999999999e-05
1924,2.22e-05
1925,3.15e-05
1926,4.08e-05
1927,4.94e-05
1928,5.6500000000000005e-05
1929,6.13e-05
1930,6.3e-05
1931,6.16e-05
1932,5.77e-05
1933,5.2e-05
1934,4.51e-05
1935,3.76e-05
1936,2.9999999999999997e-05
1937,2.31e-05
1938,1.74e-05
1939,1.35e-05
1940,1.21e-05
1941,1.23e-05
1942,1.3e-05
1943,1.41e-05
1944,1.55e-05
1945,1.72e-05
1946,1.91e-05
1947,2.12e-05
1948,2.34e-05
1949,2.5600000000000002e-05
1950,2.79e-05
1951,3.0200000000000002e-05
1952,3.2800000000000004e-05
1953,3.57e-05
1954,3.89e-05
1955,4.24e-05
1956,4.62e-05
1957,5.02e-05
1958,5.4600000000000006e-05
1959,5.92e-05
1960,6.41e-05
1961,6.97e-05
1962,7.620000000000001e-05
1963,8.36e-05
1964,9.19e-05
1965,0.000101
1966,0.000111
1967,0.000122
1968,0.000133
1969,0.000145
1970,0.000158
1971,0.00017299999999999998
1972,0.000191
1973,0.000211
1974,0.00023400000000000002
1975,0.000259
1976,0.00028399999999999996
1977,0.000309
1978,0.00033400000000000004
1979,0.000357
1980,0.000379
1981,0.0004
1982,0.00041999999999999996
1983,0.000439
1984,0.00045900000000000004
1985,0.00047799999999999996
1986,0.000499
1987,0.0005200000000000001
1988,0.0005430000000000001
1989,0.0005669999999999999
1990,0.000566
1991,0.00128
1992,0.00189
1993,0.00816
1994,0.0182
1995,0.037700000000000004
1996,0.0616
1997,0.0881
1998,0.124
1999,0.17
2000,0.217
2001,0.28
2002,0.349
2003,0.426
2004,0.551
2005,0.694
2006,0.763
2007,0.859
2008,0.955
2009,1.04
2010,1.13
2011,3.77
2012,4.79
2013,2.93
2014,3.16
2015,3.39
2016,3.62
2017,3.85
2018,4.08