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
1921,0.000675
1922,0.0025099999999999996
1923,0.0052
1924,0.00848
1925,0.012
1926,0.0156
1927,0.0189
1928,0.0216
1929,0.023399999999999997
1930,0.0241
1931,0.0235
1932,0.0221
1933,0.019899999999999998
1934,0.0172
1935,0.0144
1936,0.0115
1937,0.00883
1938,0.0066500000000000005
1939,0.00517
1940,0.00462
1941,0.004719999999999999
1942,0.00498
1943,0.0054
1944,0.00594
1945,0.0065899999999999995
1946,0.00732
1947,0.00811
1948,0.00895
1949,0.009800000000000001
1950,0.0106
1951,0.0115
1952,0.0125
1953,0.013699999999999999
1954,0.0149
1955,0.0162
1956,0.0177
1957,0.0192
1958,0.0209
1959,0.022600000000000002
1960,0.0245
1961,0.026600000000000002
1962,0.0291
1963,0.032
1964,0.0351
1965,0.0386
1966,0.0424
1967,0.0465
1968,0.0509
1969,0.0555
1970,0.0682
1971,0.07479999999999999
1972,0.0793
1973,0.0947
1974,0.108
1975,0.0986
1976,0.121
1977,0.138
1978,0.154
1979,0.166
1980,0.181
1981,0.19
1982,0.183
1983,0.217
1984,0.234
1985,0.24
1986,0.264
1987,0.282
1988,0.339
1989,0.373
1990,0.261
1991,0.202
1992,0.142
1993,0.128
1994,0.149
1995,0.0711
1996,0.0711
1997,0.0711
1998,0.0711
1999,0.0711
2000,0.07959999999999999
2001,0.0768
2002,0.142
2003,0.284
2004,0.441
2005,0.276
2006,0.159
2007,0.64
2008,0.43
2009,0.482
2010,0.533
2011,0.615
2012,0.817
2013,1.37
2014,2.07
2015,2.55
2016,2.72
2017,2.22
2018,2.39