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
1921,4.41e-07
1922,1.64e-06
1923,3.3999999999999996e-06
1924,5.5399999999999995e-06
1925,7.870000000000001e-06
1926,1.02e-05
1927,1.23e-05
1928,1.41e-05
1929,1.53e-05
1930,1.57e-05
1931,1.54e-05
1932,1.44e-05
1933,1.3e-05
1934,1.1299999999999999e-05
1935,9.38e-06
1936,7.499999999999999e-06
1937,5.77e-06
1938,4.35e-06
1939,3.3800000000000002e-06
1940,3.0200000000000003e-06
1941,3.36e-06
1942,4.32e-06
1943,5.79e-06
1944,7.66e-06
1945,9.839999999999999e-06
1946,1.22e-05
1947,1.47e-05
1948,1.72e-05
1949,1.96e-05
1950,2.17e-05
1951,2.3800000000000003e-05
1952,2.59e-05
1953,2.81e-05
1954,3.04e-05
1955,3.2800000000000004e-05
1956,3.52e-05
1957,3.7699999999999995e-05
1958,4.0300000000000004e-05
1959,4.29e-05
1960,4.5600000000000004e-05
1961,4.84e-05
1962,5.1200000000000004e-05
1963,5.4199999999999996e-05
1964,5.74e-05
1965,6.09e-05
1966,6.46e-05
1967,6.88e-05
1968,7.340000000000001e-05
1969,7.84e-05
1970,8.41e-05
1971,9.25e-05
1972,0.00010499999999999999
1973,0.000122
1974,0.00014099999999999998
1975,0.000163
1976,0.000185
1977,0.000208
1978,0.000231
1979,0.000253
1980,0.000273
1981,0.00029299999999999997
1982,0.000314
1983,0.00033600000000000004
1984,0.000359
1985,0.000381
1986,0.000402
1987,0.000421
1988,0.000438
1989,0.000451
1990,0.000453
1991,0.0006889999999999999
1992,0.00124
1993,0.0037099999999999998
1994,0.00674
1995,0.011800000000000001
1996,0.0184
1997,0.024399999999999998
1998,0.0303
1999,0.0402
2000,0.0582
2001,0.09029999999999999
2002,0.129
2003,0.18
2004,0.249
2005,0.341
2006,0.376
2007,0.458
2008,0.718
2009,0.812
2010,1.08
2011,1.16
2012,1.17
2013,1.18
2014,1.18
2015,1.22
2016,1.28
2017,1.29
2018,1.3