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
1921,0.412
1922,1.53
1923,3.18
1924,5.18
1925,7.36
1926,9.54
1927,11.5
1928,13.2
1929,14.3
1930,14.7
1931,14.4
1932,13.5
1933,12.2
1934,10.5
1935,8.78
1936,7.01
1937,5.4
1938,4.06
1939,3.16
1940,2.83
1941,2.88
1942,3.05
1943,3.3
1944,3.63
1945,4.03
1946,4.47
1947,4.96
1948,5.47
1949,5.99
1950,6.51
1951,7.05
1952,7.67
1953,8.35
1954,9.09
1955,9.91
1956,10.8
1957,11.7
1958,12.8
1959,13.8
1960,15.0
1961,16.3
1962,17.8
1963,19.5
1964,21.5
1965,23.6
1966,25.9
1967,28.4
1968,31.1
1969,33.9
1970,39.7
1971,42.6
1972,44.2
1973,51.7
1974,57.5
1975,51.4
1976,61.7
1977,68.4
1978,74.8
1979,78.3
1980,83.2
1981,85.6
1982,80.4
1983,93.1
1984,98.0
1985,98.0
1986,105.0
1987,109.0
1988,127.0
1989,137.0
1990,130.0
1991,125.0
1992,127.0
1993,121.0
1994,132.0
1995,159.0
1996,173.0
1997,196.0
1998,222.0
1999,213.0
2000,224.0
2001,216.0
2002,219.0
2003,216.0
2004,233.0
2005,246.0
2006,258.0
2007,279.0
2008,294.0
2009,292.0
2010,313.0
2011,321.0
2012,334.0
2013,345.0
2014,361.0
2015,362.0
2016,365.0
2017,377.0
2018,381.0