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
1921,0.005030000000000001
1922,0.018699999999999998
1923,0.038799999999999994
1924,0.0632
1925,0.08979999999999999
1926,0.116
1927,0.141
1928,0.161
1929,0.175
1930,0.18
1931,0.175
1932,0.164
1933,0.148
1934,0.128
1935,0.107
1936,0.0855
1937,0.0658
1938,0.0496
1939,0.0385
1940,0.0345
1941,0.0352
1942,0.0371
1943,0.0402
1944,0.0443
1945,0.049100000000000005
1946,0.0545
1947,0.0605
1948,0.06670000000000001
1949,0.073
1950,0.07940000000000001
1951,0.086
1952,0.0935
1953,0.102
1954,0.111
1955,0.121
1956,0.132
1957,0.143
1958,0.155
1959,0.169
1960,0.183
1961,0.198
1962,0.217
1963,0.238
1964,0.262
1965,0.288
1966,0.316
1967,0.347
1968,0.379
1969,0.413
1970,0.479
1971,0.512
1972,0.528
1973,0.613
1974,0.679
1975,0.603
1976,0.719
1977,0.792
1978,0.86
1979,0.893
1980,0.941
1981,0.962
1982,0.897
1983,1.03
1984,1.07
1985,1.06
1986,1.13
1987,1.16
1988,1.34
1989,1.42
1990,1.42
1991,1.42
1992,1.33
1993,1.83
1994,1.03
1995,1.0
1996,0.414
1997,0.705
1998,0.998
1999,1.37
2000,1.61
2001,2.31
2002,2.93
2003,3.58
2004,4.27
2005,5.0
2006,5.17
2007,6.07
2008,6.86
2009,8.11
2010,8.67
2011,9.14
2012,9.06
2013,9.86
2014,10.8
2015,11.8
2016,12.0
2017,11.7
2018,12.0