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
1921,0.0367
1922,0.136
1923,0.283
1924,0.461
1925,0.655
1926,0.849
1927,1.03
1928,1.17
1929,1.27
1930,1.31
1931,1.28
1932,1.2
1933,1.08
1934,0.937
1935,0.781
1936,0.624
1937,0.48
1938,0.362
1939,0.281
1940,0.251
1941,0.257
1942,0.271
1943,0.293
1944,0.323
1945,0.358
1946,0.398
1947,0.441
1948,0.486
1949,0.533
1950,0.579
1951,0.628
1952,0.682
1953,0.743
1954,0.809
1955,0.882
1956,0.96
1957,1.04
1958,1.13
1959,1.23
1960,1.33
1961,1.45
1962,1.58
1963,1.74
1964,1.91
1965,2.11
1966,2.31
1967,2.54
1968,2.78
1969,3.03
1970,3.51
1971,3.75
1972,3.88
1973,4.51
1974,4.99
1975,4.44
1976,5.29
1977,5.83
1978,6.33
1979,6.59
1980,6.95
1981,7.1
1982,6.62
1983,7.61
1984,7.96
1985,7.88
1986,8.34
1987,8.64
1988,9.99
1989,10.6
1990,12.6
1991,13.7
1992,14.1
1993,14.5
1994,17.0
1995,20.5
1996,20.1
1997,20.1
1998,19.6
1999,20.1
2000,19.0
2001,16.4
2002,14.0
2003,14.2
2004,11.4
2005,12.0
2006,13.8
2007,15.9
2008,18.3
2009,20.0
2010,22.3
2011,25.0
2012,28.1
2013,30.7
2014,34.3
2015,37.6
2016,40.8
2017,43.1
2018,45.1