year,IPC1,IPC4
1850,0.000499,0.000135
1851,0.00051,0.000136
1852,0.000522,0.00013700000000000002
1853,0.000535,0.00013800000000000002
1854,0.0005480000000000001,0.00013900000000000002
1855,0.0005610000000000001,0.00014000000000000001
1856,0.000575,0.00014099999999999998
1857,0.0005899999999999999,0.00014099999999999998
1858,0.000605,0.00014199999999999998
1859,0.00062,0.00014199999999999998
1860,0.000635,0.00014199999999999998
1861,0.000651,0.00014199999999999998
1862,0.0006680000000000001,0.00014199999999999998
1863,0.0006850000000000001,0.00014199999999999998
1864,0.000703,0.00014199999999999998
1865,0.000722,0.00014199999999999998
1866,0.000742,0.00014199999999999998
1867,0.000762,0.00014199999999999998
1868,0.0007830000000000001,0.00014299999999999998
1869,0.000805,0.00014299999999999998
1870,0.000828,0.00014299999999999998
1871,0.000853,0.00014399999999999998
1872,0.00088,0.000147
1873,0.000909,0.000152
1874,0.00094,0.000157
1875,0.000973,0.000163
1876,0.00101,0.00016900000000000002
1877,0.0010400000000000001,0.000176
1878,0.00108,0.00018099999999999998
1879,0.00111,0.000185
1880,0.00114,0.000188
1881,0.0011799999999999998,0.000189
1882,0.00121,0.000191
1883,0.00125,0.000192
1884,0.0012900000000000001,0.000194
1885,0.00133,0.000195
1886,0.0013700000000000001,0.00019600000000000002
1887,0.00141,0.00019700000000000002
1888,0.00145,0.00019800000000000002
1889,0.00149,0.0002
1890,0.0016,0.000205
1891,0.00164,0.000208
1892,0.0016899999999999999,0.000212
1893,0.00175,0.000216
1894,0.0018,0.00022
1895,0.00186,0.000224
1896,0.0019199999999999998,0.000228
1897,0.00199,0.000232
1898,0.00206,0.000236
1899,0.00213,0.000241
1900,0.0022,0.000246
1901,0.00228,0.000251
1902,0.00237,0.000257
1903,0.0024700000000000004,0.000263
1904,0.0025800000000000003,0.00026900000000000003
1905,0.00269,0.00027600000000000004
1906,0.0028,0.000283
1907,0.0029,0.000289
1908,0.003,0.000296
1909,0.0030800000000000003,0.000303
1910,0.00315,0.00031
1911,0.00322,0.000317
1912,0.00328,0.000324
1913,0.00335,0.000331
1914,0.0034100000000000003,0.00033800000000000003
1915,0.00347,0.000345
1916,0.00352,0.00035299999999999996
1917,0.0035600000000000002,0.00035999999999999997
1918,0.0036,0.000368
1919,0.00362,0.000375
1920,0.00364,0.000383
1921,0.00364,0.000391
1922,0.00363,0.0004
1923,0.00362,0.000408
1924,0.0036,0.000417
1925,0.0035800000000000003,0.000426
1926,0.0035600000000000002,0.000434
1927,0.00354,0.000443
1928,0.0035299999999999997,0.00045200000000000004
1929,0.00352,0.00046100000000000004
1930,0.00352,0.00047
1931,0.0035499999999999998,0.00047799999999999996
1932,0.0036,0.00048699999999999997
1933,0.00368,0.000495
1934,0.00379,0.000503
1935,0.00391,0.0005110000000000001
1936,0.00404,0.0005200000000000001
1937,0.00418,0.0005290000000000001
1938,0.00432,0.0005380000000000001
1939,0.0044599999999999996,0.0005480000000000001
1940,0.0045899999999999995,0.000559
1941,0.004730000000000001,0.000574
1942,0.00488,0.000597
1943,0.00504,0.000625
1944,0.00522,0.000657
1945,0.00541,0.0006929999999999999
1946,0.00561,0.0007289999999999999
1947,0.0058200000000000005,0.0007650000000000001
1948,0.00604,0.0008
1949,0.0062699999999999995,0.0008309999999999999
1950,0.00651,0.000858
1951,0.0067800000000000004,0.0008810000000000001
1952,0.00713,0.0009040000000000001
1953,0.00753,0.0009260000000000001
1954,0.00797,0.000949
1955,0.00844,0.000971
1956,0.008919999999999999,0.000994
1957,0.0094,0.00102
1958,0.009869999999999999,0.0010400000000000001
1959,0.0103,0.00107
1960,0.0107,0.0011
1961,0.0111,0.00113
1962,0.0115,0.00117
1963,0.0119,0.00122
1964,0.0123,0.00127
1965,0.0152,0.00132
1966,0.0162,0.0013700000000000001
1967,0.0162,0.0014199999999999998
1968,0.0175,0.00147
1969,0.0193,0.00151
1970,0.0214,0.00158
1971,0.0192,0.00164
1972,0.024,0.0017
1973,0.024399999999999998,0.00176
1974,0.025,0.00182
1975,0.0259,0.0018700000000000001
1976,0.028,0.0019199999999999998
1977,0.030199999999999998,0.00197
1978,0.034,0.00202
1979,0.0371,0.00207
1980,0.038700000000000005,0.00212
1981,0.0402,0.00218
1982,0.0425,0.0022400000000000002
1983,0.0427,0.00231
1984,0.0431,0.00239
1985,0.044,0.00246
1986,0.0427,0.00254
1987,0.039299999999999995,0.00262
1988,0.037899999999999996,0.0027
1989,0.0371,0.00277
1990,0.0575,0.00282
1991,0.0601,0.00287
1992,0.0581,0.0029
1993,0.0654,0.00292
1994,0.0691,0.00294
1995,0.0692,0.00296
1996,0.0692,0.00297
1997,0.0693,0.00298
1998,0.073,0.00299
1999,0.0694,0.00299
2000,0.08159999999999999,0.00309
2001,0.0853,0.00304
2002,0.0891,0.00299
2003,0.08940000000000001,0.00296
2004,0.0933,0.00294
2005,0.08990000000000001,0.00294
2006,0.09770000000000001,0.00294
2007,0.106,0.00296
2008,0.107,0.00299
2009,0.111,0.0030299999999999997
2010,0.112,0.0030800000000000003
2011,0.112,0.003
2012,0.112,0.0030099999999999997
2013,0.112,0.0030099999999999997
2014,0.126,0.0030099999999999997
2015,0.134,0.0030099999999999997
2016,0.145,0.0030099999999999997
2017,0.149,0.0030099999999999997
2018,0.208,0.0030099999999999997