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
1921,0.0123
1922,0.0458
1923,0.09509999999999999
1924,0.155
1925,0.22
1926,0.285
1927,0.345
1928,0.395
1929,0.428
1930,0.44
1931,0.43
1932,0.403
1933,0.363
1934,0.315
1935,0.262
1936,0.21
1937,0.161
1938,0.122
1939,0.0945
1940,0.0845
1941,0.0862
1942,0.0911
1943,0.0986
1944,0.109
1945,0.12
1946,0.134
1947,0.148
1948,0.164
1949,0.179
1950,0.195
1951,0.211
1952,0.229
1953,0.25
1954,0.272
1955,0.296
1956,0.323
1957,0.351
1958,0.381
1959,0.414
1960,0.448
1961,0.487
1962,0.532
1963,0.584
1964,0.642
1965,0.706
1966,0.776
1967,0.85
1968,0.93
1969,1.01
1970,1.17
1971,1.25
1972,1.29
1973,1.5
1974,1.67
1975,1.48
1976,1.76
1977,1.94
1978,2.11
1979,2.19
1980,2.31
1981,2.36
1982,2.2
1983,2.52
1984,2.63
1985,2.6
1986,2.75
1987,2.84
1988,3.28
1989,3.46
1990,3.04
1991,2.76
1992,3.49
1993,2.86
1994,4.37
1995,5.87
1996,6.87
1997,8.28
1998,8.6
1999,10.6
2000,12.3
2001,9.05
2002,7.73
2003,9.87
2004,10.2
2005,11.5
2006,14.0
2007,16.1
2008,17.0
2009,15.6
2010,16.1
2011,15.4
2012,15.4
2013,15.2
2014,15.1
2015,8.44
2016,8.21
2017,6.31
2018,4.56