year,IPC1,IPC4
1850,0.00045200000000000004,0.000126
1851,0.00046300000000000003,0.000127
1852,0.000475,0.000128
1853,0.00048699999999999997,0.000129
1854,0.0005,0.00013000000000000002
1855,0.000513,0.000131
1856,0.000527,0.000131
1857,0.000541,0.000132
1858,0.0005560000000000001,0.000133
1859,0.000571,0.000133
1860,0.0005859999999999999,0.000133
1861,0.000602,0.000133
1862,0.000618,0.000133
1863,0.000635,0.000133
1864,0.000653,0.000134
1865,0.000671,0.000134
1866,0.000691,0.000134
1867,0.0007109999999999999,0.000134
1868,0.000732,0.000134
1869,0.000753,0.000134
1870,0.000776,0.000134
1871,0.0008,0.000135
1872,0.0008269999999999999,0.00013800000000000002
1873,0.000856,0.00014299999999999998
1874,0.000887,0.000149
1875,0.000919,0.000155
1876,0.0009519999999999999,0.000162
1877,0.000987,0.00016800000000000002
1878,0.00102,0.00017299999999999998
1879,0.00106,0.000178
1880,0.00109,0.00017999999999999998
1881,0.0011200000000000001,0.000182
1882,0.00116,0.000183
1883,0.0012,0.000185
1884,0.00123,0.000186
1885,0.00127,0.000187
1886,0.00131,0.000188
1887,0.00135,0.000189
1888,0.00139,0.000191
1889,0.0014399999999999999,0.000192
1890,0.0015400000000000001,0.00019600000000000002
1891,0.00158,0.000199
1892,0.00163,0.000203
1893,0.0016899999999999999,0.000206
1894,0.00174,0.00020999999999999998
1895,0.0018,0.000213
1896,0.00186,0.000217
1897,0.0019299999999999999,0.000221
1898,0.00199,0.000225
1899,0.00206,0.000229
1900,0.00214,0.00023300000000000003
1901,0.00221,0.00023799999999999998
1902,0.00231,0.000243
1903,0.0024100000000000002,0.000249
1904,0.0025099999999999996,0.000255
1905,0.00262,0.000261
1906,0.00273,0.00026700000000000004
1907,0.00283,0.00027400000000000005
1908,0.0029300000000000003,0.00028000000000000003
1909,0.0030099999999999997,0.00028599999999999996
1910,0.0030800000000000003,0.00029299999999999997
1911,0.00314,0.000299
1912,0.00321,0.000305
1913,0.00327,0.000312
1914,0.00333,0.00031800000000000003
1915,0.0033900000000000002,0.000325
1916,0.00344,0.000332
1917,0.00349,0.00033800000000000003
1918,0.00352,0.000345
1919,0.0035499999999999998,0.000352
1920,0.0035600000000000002,0.00035999999999999997
1921,0.0035600000000000002,0.000367
1922,0.0035499999999999998,0.000374
1923,0.00354,0.000382
1924,0.00352,0.00039
1925,0.00349,0.000398
1926,0.00347,0.000406
1927,0.0034500000000000004,0.000414
1928,0.00344,0.000422
1929,0.0034300000000000003,0.00043
1930,0.00344,0.000438
1931,0.00346,0.00044500000000000003
1932,0.0035099999999999997,0.000453
1933,0.00359,0.00046
1934,0.00369,0.000467
1935,0.00381,0.000475
1936,0.00394,0.000482
1937,0.00408,0.00049
1938,0.00422,0.000498
1939,0.00435,0.000507
1940,0.00449,0.000517
1941,0.00462,0.000531
1942,0.00477,0.000553
1943,0.004940000000000001,0.0005809999999999999
1944,0.00512,0.000614
1945,0.00531,0.0006490000000000001
1946,0.00551,0.0006860000000000001
1947,0.005719999999999999,0.000722
1948,0.00594,0.000756
1949,0.00617,0.000787
1950,0.0064,0.0008129999999999999
1951,0.006679999999999999,0.0008349999999999999
1952,0.00701,0.000856
1953,0.0074,0.000877
1954,0.00782,0.000897
1955,0.00826,0.0009180000000000001
1956,0.00872,0.000939
1957,0.009179999999999999,0.0009609999999999999
1958,0.00962,0.000984
1959,0.01,0.00101
1960,0.0104,0.0010400000000000001
1961,0.0108,0.00107
1962,0.0112,0.00111
1963,0.0116,0.00115
1964,0.012,0.0012
1965,0.0149,0.00125
1966,0.0159,0.0013
1967,0.0159,0.00134
1968,0.0172,0.00139
1969,0.019,0.0014399999999999999
1970,0.0211,0.0015
1971,0.0189,0.00155
1972,0.0237,0.00161
1973,0.0241,0.00166
1974,0.0246,0.00171
1975,0.0256,0.00176
1976,0.027600000000000003,0.00181
1977,0.0298,0.00185
1978,0.033600000000000005,0.00189
1979,0.0367,0.0019399999999999999
1980,0.038299999999999994,0.00198
1981,0.039799999999999995,0.00204
1982,0.0421,0.00209
1983,0.0423,0.00215
1984,0.0427,0.00221
1985,0.0436,0.00228
1986,0.0423,0.00235
1987,0.0389,0.00242
1988,0.0375,0.00248
1989,0.0367,0.00254
1990,0.0571,0.00259
1991,0.0598,0.00263
1992,0.0577,0.00265
1993,0.065,0.00267
1994,0.0687,0.00269
1995,0.0688,0.0027
1996,0.0688,0.00271
1997,0.0689,0.00272
1998,0.0726,0.00272
1999,0.069,0.00273
2000,0.081,0.00282
2001,0.0848,0.00277
2002,0.0885,0.00273
2003,0.0887,0.00269
2004,0.09259999999999999,0.00267
2005,0.0892,0.00267
2006,0.0969,0.00267
2007,0.105,0.00269
2008,0.106,0.00272
2009,0.11,0.00276
2010,0.111,0.00281
2011,0.11,0.00273
2012,0.111,0.00273
2013,0.111,0.00273
2014,0.124,0.0027400000000000002
2015,0.132,0.0027400000000000002
2016,0.144,0.00273
2017,0.148,0.00273
2018,0.206,0.0027400000000000002