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
1921,5.1799999999999995e-06
1922,1.92e-05
1923,3.99e-05
1924,6.510000000000001e-05
1925,9.25e-05
1926,0.00011999999999999999
1927,0.000145
1928,0.000166
1929,0.00017999999999999998
1930,0.000185
1931,0.00018099999999999998
1932,0.00016900000000000002
1933,0.000153
1934,0.000132
1935,0.00011
1936,8.81e-05
1937,6.78e-05
1938,5.1e-05
1939,3.9699999999999996e-05
1940,3.5499999999999996e-05
1941,3.6200000000000006e-05
1942,3.82e-05
1943,4.14e-05
1944,4.5600000000000004e-05
1945,5.06e-05
1946,5.62e-05
1947,6.23e-05
1948,6.87e-05
1949,7.52e-05
1950,8.17e-05
1951,8.86e-05
1952,9.63e-05
1953,0.00010499999999999999
1954,0.000114
1955,0.000124
1956,0.000136
1957,0.000147
1958,0.00016
1959,0.000174
1960,0.000188
1961,0.000204
1962,0.000224
1963,0.000246
1964,0.00027
1965,0.000297
1966,0.00032700000000000003
1967,0.000358
1968,0.00039200000000000004
1969,0.000428
1970,0.000465
1971,0.000509
1972,0.0005620000000000001
1973,0.000623
1974,0.00069
1975,0.000762
1976,0.0008359999999999999
1977,0.00091
1978,0.000983
1979,0.0010500000000000002
1980,0.0011200000000000001
1981,0.0011799999999999998
1982,0.00124
1983,0.0012900000000000001
1984,0.00135
1985,0.00141
1986,0.00147
1987,0.0015300000000000001
1988,0.0016
1989,0.0016699999999999998
1990,0.00175
1991,0.00189
1992,0.00215
1993,0.00249
1994,0.0029100000000000003
1995,0.004940000000000001
1996,0.00583
1997,0.00821
1998,0.00966
1999,0.0119
2000,0.0144
2001,0.0174
2002,0.0211
2003,0.0256
2004,0.0305
2005,0.0357
2006,0.0414
2007,0.047799999999999995
2008,0.0549
2009,0.0627
2010,0.0709
2011,0.06720000000000001
2012,0.0718
2013,0.07640000000000001
2014,0.081
2015,0.0855
2016,0.0901
2017,0.0947
2018,0.0993