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
1921,2.4000000000000003e-07
1922,8.91e-07
1923,1.85e-06
1924,3.0200000000000003e-06
1925,4.28e-06
1926,5.55e-06
1927,6.72e-06
1928,7.680000000000001e-06
1929,8.33e-06
1930,8.57e-06
1931,8.370000000000001e-06
1932,7.85e-06
1933,7.07e-06
1934,6.13e-06
1935,5.11e-06
1936,4.08e-06
1937,3.14e-06
1938,2.3600000000000003e-06
1939,1.84e-06
1940,1.64e-06
1941,1.68e-06
1942,1.77e-06
1943,1.9200000000000003e-06
1944,2.1099999999999997e-06
1945,2.34e-06
1946,2.5999999999999997e-06
1947,2.8800000000000004e-06
1948,3.18e-06
1949,3.48e-06
1950,3.79e-06
1951,4.1000000000000006e-06
1952,4.4600000000000005e-06
1953,4.86e-06
1954,5.29e-06
1955,5.760000000000001e-06
1956,6.28e-06
1957,6.83e-06
1958,7.42e-06
1959,8.05e-06
1960,8.710000000000001e-06
1961,9.469999999999999e-06
1962,1.0399999999999999e-05
1963,1.1400000000000001e-05
1964,1.25e-05
1965,1.3700000000000001e-05
1966,1.5100000000000001e-05
1967,1.65e-05
1968,1.8100000000000003e-05
1969,1.9699999999999998e-05
1970,2.14e-05
1971,2.35e-05
1972,2.59e-05
1973,2.87e-05
1974,3.18e-05
1975,3.51e-05
1976,3.85e-05
1977,4.2000000000000004e-05
1978,4.53e-05
1979,4.8599999999999995e-05
1980,5.16e-05
1981,5.4399999999999994e-05
1982,5.71e-05
1983,5.97e-05
1984,6.23e-05
1985,6.500000000000001e-05
1986,6.78e-05
1987,7.07e-05
1988,7.38e-05
1989,7.71e-05
1990,7.69e-05
1991,0.000202
1992,0.000326
1993,0.00147
1994,0.00172
1995,0.00359
1996,0.00514
1997,0.00613
1998,0.0072699999999999996
1999,0.00816
2000,0.00996
2001,0.0126
2002,0.0174
2003,0.025
2004,0.035
2005,0.049
2006,0.0643
2007,0.0814
2008,0.0985
2009,0.11
2010,0.123
2011,0.14
2012,0.149
2013,0.157
2014,0.171
2015,0.201
2016,0.211
2017,0.221
2018,0.235