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
1921,0.00526
1922,0.019600000000000003
1923,0.040600000000000004
1924,0.06620000000000001
1925,0.094
1926,0.122
1927,0.147
1928,0.168
1929,0.183
1930,0.188
1931,0.184
1932,0.172
1933,0.155
1934,0.135
1935,0.112
1936,0.0896
1937,0.0689
1938,0.0519
1939,0.040299999999999996
1940,0.0361
1941,0.0368
1942,0.0389
1943,0.0421
1944,0.0464
1945,0.0514
1946,0.0571
1947,0.0633
1948,0.0698
1949,0.0765
1950,0.0831
1951,0.0901
1952,0.0979
1953,0.107
1954,0.116
1955,0.127
1956,0.138
1957,0.15
1958,0.163
1959,0.177
1960,0.191
1961,0.208
1962,0.227
1963,0.249
1964,0.274
1965,0.302
1966,0.331
1967,0.363
1968,0.397
1969,0.433
1970,0.532
1971,0.584
1972,0.619
1973,0.739
1974,0.842
1975,0.769
1976,0.946
1977,1.07
1978,1.2
1979,1.29
1980,1.41
1981,1.49
1982,1.43
1983,1.7
1984,1.83
1985,1.88
1986,2.06
1987,2.21
1988,2.64
1989,2.91
1990,2.02
1991,2.34
1992,1.51
1993,2.32
1994,1.89
1995,1.8
1996,4.47
1997,4.65
1998,3.81
1999,5.26
2000,4.15
2001,3.42
2002,4.99
2003,5.31
2004,5.57
2005,8.76
2006,11.9
2007,10.8
2008,10.9
2009,11.6
2010,12.3
2011,12.5
2012,11.5
2013,12.0
2014,13.5
2015,12.1
2016,15.0
2017,15.7
2018,16.3