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
1921,0.0
1922,0.0
1923,0.0
1924,0.0
1925,0.0
1926,0.0
1927,0.0
1928,0.0
1929,0.0
1930,0.0
1931,0.0
1932,0.0
1933,0.0
1934,0.0
1935,0.0
1936,0.0
1937,0.0
1938,0.0
1939,0.0
1940,0.0
1941,2.79e-06
1942,1.06e-05
1943,2.2499999999999998e-05
1944,3.7699999999999995e-05
1945,5.52e-05
1946,7.42e-05
1947,9.37e-05
1948,0.00011300000000000001
1949,0.000131
1950,0.000147
1951,0.000162
1952,0.000177
1953,0.000191
1954,0.000206
1955,0.000221
1956,0.000236
1957,0.000251
1958,0.000265
1959,0.00028000000000000003
1960,0.00029499999999999996
1961,0.000309
1962,0.000321
1963,0.000332
1964,0.00034300000000000004
1965,0.000354
1966,0.000367
1967,0.000381
1968,0.000398
1969,0.000419
1970,0.000444
1971,0.000493
1972,0.000516
1973,0.0005719999999999999
1974,0.0005859999999999999
1975,0.000653
1976,0.000763
1977,0.0008139999999999999
1978,0.000864
1979,0.000994
1980,0.00103
1981,0.00107
1982,0.00117
1983,0.00117
1984,0.0012900000000000001
1985,0.00135
1986,0.0014399999999999999
1987,0.00151
1988,0.0016799999999999999
1989,0.00176
1990,0.00191
1991,0.00212
1992,0.00216
1993,0.00215
1994,0.0022400000000000002
1995,0.00237
1996,0.00237
1997,0.00227
1998,0.00229
1999,0.00222
2000,0.00197
2001,0.0019199999999999998
2002,0.00197
2003,0.0020099999999999996
2004,0.0019
2005,0.0019
2006,0.00189
2007,0.00191
2008,0.0019
2009,0.00182
2010,0.00186
2011,0.00184
2012,0.0038900000000000002
2013,0.00367
2014,0.00176
2015,0.00164
2016,0.00164
2017,0.0017800000000000001
2018,0.00176