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
1921,0.0348
1922,0.129
1923,0.269
1924,0.438
1925,0.622
1926,0.806
1927,0.975
1928,1.11
1929,1.21
1930,1.24
1931,1.22
1932,1.14
1933,1.03
1934,0.89
1935,0.741
1936,0.592
1937,0.456
1938,0.343
1939,0.267
1940,0.239
1941,0.244
1942,0.257
1943,0.279
1944,0.307
1945,0.34
1946,0.378
1947,0.419
1948,0.462
1949,0.506
1950,0.55
1951,0.596
1952,0.648
1953,0.705
1954,0.768
1955,0.837
1956,0.911
1957,0.991
1958,1.08
1959,1.17
1960,1.26
1961,1.37
1962,1.5
1963,1.65
1964,1.81
1965,1.99
1966,2.19
1967,2.4
1968,2.63
1969,2.86
1970,3.52
1971,3.86
1972,4.1
1973,4.89
1974,5.57
1975,5.1
1976,6.27
1977,7.12
1978,7.97
1979,8.57
1980,9.34
1981,9.85
1982,9.48
1983,11.2
1984,12.1
1985,12.4
1986,13.7
1987,14.6
1988,17.5
1989,19.3
1990,18.2
1991,17.2
1992,17.4
1993,26.1
1994,35.6
1995,31.8
1996,50.5
1997,74.7
1998,73.2
1999,127.0
2000,107.0
2001,112.0
2002,140.0
2003,163.0
2004,221.0
2005,264.0
2006,294.0
2007,280.0
2008,291.0
2009,300.0
2010,309.0
2011,334.0
2012,356.0
2013,406.0
2014,458.0
2015,451.0
2016,477.0
2017,497.0
2018,520.0