year,IPC1,IPC4
1850,1.2e-05,2.99e-06
1851,1.21e-05,2.98e-06
1852,1.22e-05,2.97e-06
1853,1.22e-05,2.96e-06
1854,1.23e-05,2.95e-06
1855,1.24e-05,2.94e-06
1856,1.24e-05,2.94e-06
1857,1.25e-05,2.93e-06
1858,1.26e-05,2.92e-06
1859,1.2699999999999999e-05,2.92e-06
1860,1.2699999999999999e-05,2.92e-06
1861,1.2800000000000001e-05,2.92e-06
1862,1.29e-05,2.92e-06
1863,1.3e-05,2.92e-06
1864,1.3e-05,2.9099999999999997e-06
1865,1.31e-05,2.9099999999999997e-06
1866,1.32e-05,2.9099999999999997e-06
1867,1.33e-05,2.9099999999999997e-06
1868,1.34e-05,2.9099999999999997e-06
1869,1.34e-05,2.9099999999999997e-06
1870,1.35e-05,2.9099999999999997e-06
1871,1.3599999999999999e-05,2.9099999999999997e-06
1872,1.3700000000000001e-05,2.92e-06
1873,1.38e-05,2.93e-06
1874,1.38e-05,2.94e-06
1875,1.3899999999999999e-05,2.95e-06
1876,1.4e-05,2.96e-06
1877,1.41e-05,2.97e-06
1878,1.4200000000000001e-05,2.99e-06
1879,1.43e-05,3e-06
1880,1.44e-05,3.01e-06
1881,1.44e-05,3.0300000000000002e-06
1882,1.45e-05,3.05e-06
1883,1.46e-05,3.06e-06
1884,1.47e-05,3.0799999999999997e-06
1885,1.48e-05,3.1e-06
1886,1.49e-05,3.1199999999999998e-06
1887,1.4999999999999999e-05,3.14e-06
1888,1.5100000000000001e-05,3.1600000000000002e-06
1889,1.52e-05,3.18e-06
1890,1.53e-05,3.34e-06
1891,1.54e-05,3.44e-06
1892,1.55e-05,3.54e-06
1893,1.56e-05,3.65e-06
1894,1.57e-05,3.76e-06
1895,1.58e-05,3.88e-06
1896,1.59e-05,3.99e-06
1897,1.6e-05,4.11e-06
1898,1.62e-05,4.24e-06
1899,1.63e-05,4.36e-06
1900,1.65e-05,4.49e-06
1901,1.66e-05,4.62e-06
1902,1.68e-05,4.76e-06
1903,1.7100000000000002e-05,4.9e-06
1904,1.73e-05,5.04e-06
1905,1.76e-05,5.19e-06
1906,1.78e-05,5.3400000000000005e-06
1907,1.8100000000000003e-05,5.5e-06
1908,1.84e-05,5.66e-06
1909,1.8599999999999998e-05,5.819999999999999e-06
1910,1.88e-05,5.98e-06
1911,1.91e-05,6.15e-06
1912,1.93e-05,6.3200000000000005e-06
1913,1.95e-05,6.49e-06
1914,1.9699999999999998e-05,6.67e-06
1915,1.9900000000000003e-05,6.8500000000000005e-06
1916,2.01e-05,7.04e-06
1917,2.03e-05,7.23e-06
1918,2.04e-05,7.42e-06
1919,2.06e-05,7.62e-06
1920,2.09e-05,7.83e-06
1921,2.11e-05,8.040000000000001e-06
1922,2.12e-05,8.25e-06
1923,2.14e-05,8.48e-06
1924,2.16e-05,8.7e-06
1925,2.18e-05,8.94e-06
1926,2.2e-05,9.169999999999999e-06
1927,2.22e-05,9.42e-06
1928,2.2499999999999998e-05,9.66e-06
1929,2.2700000000000003e-05,9.91e-06
1930,2.3e-05,1.02e-05
1931,2.33e-05,1.0399999999999999e-05
1932,2.3800000000000003e-05,1.07e-05
1933,2.4299999999999998e-05,1.09e-05
1934,2.49e-05,1.12e-05
1935,2.55e-05,1.15e-05
1936,2.61e-05,1.18e-05
1937,2.66e-05,1.2e-05
1938,2.7e-05,1.23e-05
1939,2.7400000000000002e-05,1.26e-05
1940,2.76e-05,1.29e-05
1941,2.77e-05,1.32e-05
1942,2.77e-05,1.34e-05
1943,2.77e-05,1.3700000000000001e-05
1944,2.77e-05,1.4e-05
1945,2.77e-05,1.43e-05
1946,2.77e-05,1.45e-05
1947,2.77e-05,1.48e-05
1948,2.77e-05,1.52e-05
1949,2.7799999999999998e-05,1.55e-05
1950,2.8e-05,1.59e-05
1951,2.93e-05,1.63e-05
1952,3.23e-05,1.68e-05
1953,3.68e-05,1.73e-05
1954,4.22e-05,1.7899999999999998e-05
1955,4.81e-05,1.85e-05
1956,5.41e-05,1.91e-05
1957,5.96e-05,1.9699999999999998e-05
1958,6.44e-05,2.03e-05
1959,6.78e-05,2.09e-05
1960,6.96e-05,2.1499999999999997e-05
1961,7.03e-05,2.2100000000000002e-05
1962,7.099999999999999e-05,2.2800000000000002e-05
1963,7.17e-05,2.34e-05
1964,7.240000000000001e-05,2.4e-05
1965,7.3e-05,2.47e-05
1966,7.36e-05,2.53e-05
1967,7.42e-05,2.6e-05
1968,7.47e-05,2.6700000000000002e-05
1969,7.52e-05,2.7400000000000002e-05
1970,7.57e-05,2.93e-05
1971,7.68e-05,3.07e-05
1972,7.929999999999999e-05,3.23e-05
1973,8.269999999999999e-05,3.4099999999999995e-05
1974,8.669999999999999e-05,3.57e-05
1975,9.1e-05,3.7199999999999996e-05
1976,9.54e-05,3.86e-05
1977,9.94e-05,3.99e-05
1978,0.000103,4.12e-05
1979,0.00010499999999999999,4.27e-05
1980,0.000106,4.43e-05
1981,0.000106,4.63e-05
1982,0.000106,4.84e-05
1983,0.00010499999999999999,5.0799999999999995e-05
1984,0.000104,5.33e-05
1985,0.000103,5.59e-05
1986,0.000101,5.88e-05
1987,0.0001,6.17e-05
1988,9.900000000000001e-05,6.46e-05
1989,9.83e-05,6.72e-05
1990,9.800000000000001e-05,6.94e-05
1991,9.83e-05,7.12e-05
1992,9.900000000000001e-05,7.26e-05
1993,0.0001,7.36e-05
1994,0.000101,7.45e-05
1995,0.000103,7.52e-05
1996,0.00010499999999999999,7.580000000000001e-05
1997,0.000108,7.630000000000001e-05
1998,0.00011,7.670000000000001e-05
1999,0.00011300000000000001,7.7e-05
2000,0.000154,7.72e-05
2001,0.000155,7.73e-05
2002,0.00016,7.73e-05
2003,0.00016700000000000002,7.74e-05
2004,0.000175,7.74e-05
2005,0.000185,7.74e-05
2006,0.0002,7.75e-05
2007,0.000224,7.77e-05
2008,0.000255,7.79e-05
2009,0.00029099999999999997,7.81e-05
2010,0.00033,7.84e-05
2011,0.000298,7.86e-05
2012,0.000312,7.879999999999999e-05
2013,0.00032700000000000003,7.91e-05
2014,0.00034100000000000005,7.929999999999999e-05
2015,0.000356,7.950000000000001e-05
2016,0.00037,7.950000000000001e-05
2017,0.00038500000000000003,7.960000000000001e-05
2018,0.000399,7.98e-05