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
1921,7.49e-06
1922,2.7799999999999998e-05
1923,5.7799999999999995e-05
1924,9.42e-05
1925,0.000134
1926,0.00017299999999999998
1927,0.00020999999999999998
1928,0.00023999999999999998
1929,0.00026000000000000003
1930,0.000268
1931,0.000261
1932,0.000245
1933,0.000221
1934,0.000191
1935,0.00015900000000000002
1936,0.000127
1937,9.800000000000001e-05
1938,7.38e-05
1939,5.74e-05
1940,5.14e-05
1941,5.24e-05
1942,5.53e-05
1943,5.99e-05
1944,6.59e-05
1945,7.31e-05
1946,8.13e-05
1947,9.01e-05
1948,9.94e-05
1949,0.00010899999999999999
1950,0.000118
1951,0.000128
1952,0.00013900000000000002
1953,0.000152
1954,0.000165
1955,0.00017999999999999998
1956,0.00019600000000000002
1957,0.000213
1958,0.000232
1959,0.000251
1960,0.000272
1961,0.000296
1962,0.000323
1963,0.00035499999999999996
1964,0.00039
1965,0.000429
1966,0.00047099999999999996
1967,0.000517
1968,0.000565
1969,0.000616
1970,0.0007239999999999999
1971,0.000775
1972,0.000803
1973,0.00094
1974,0.0010500000000000002
1975,0.000939
1976,0.00113
1977,0.00125
1978,0.0013700000000000001
1979,0.0014399999999999999
1980,0.0015300000000000001
1981,0.00158
1982,0.00149
1983,0.00173
1984,0.00183
1985,0.00182
1986,0.0019299999999999999
1987,0.00199
1988,0.00229
1989,0.0024100000000000002
1990,0.0030499999999999998
1991,0.00373
1992,0.00443
1993,0.00637
1994,0.0047599999999999995
1995,0.0026
1996,0.00304
1997,0.00337
1998,0.00429
1999,0.00501
2000,0.00595
2001,0.00667
2002,0.00731
2003,0.007679999999999999
2004,0.00799
2005,0.008150000000000001
2006,0.00908
2007,0.0101
2008,0.011300000000000001
2009,0.0124
2010,0.0136
2011,0.0154
2012,0.0121
2013,0.0174
2014,0.016800000000000002
2015,0.0182
2016,0.0202
2017,0.023399999999999997
2018,0.022