year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0587,0.00267,0.00023899999999999998,5.83e-06
1851,0.0697,0.00317,0.00028399999999999996,6.92e-06
1852,0.0844,0.0038399999999999997,0.00034399999999999996,8.380000000000001e-06
1853,0.103,0.00467,0.000419,1.02e-05
1854,0.125,0.005679999999999999,0.000508,1.24e-05
1855,0.15,0.00684,0.0006129999999999999,1.49e-05
1856,0.18,0.00818,0.000733,1.7899999999999998e-05
1857,0.216,0.00985,0.000882,2.1499999999999997e-05
1858,0.264,0.012,0.00108,2.62e-05
1859,0.315,0.0144,0.0012900000000000001,3.13e-05
1860,0.381,0.0174,0.00156,3.7900000000000006e-05
1861,0.458,0.0209,0.0018700000000000001,4.5600000000000004e-05
1862,0.561,0.0255,0.00229,5.58e-05
1863,0.701,0.0319,0.0028599999999999997,6.96e-05
1864,0.844,0.0384,0.00344,8.38e-05
1865,1.02,0.0464,0.0041600000000000005,0.000101
1866,1.24,0.056600000000000004,0.00507,0.000124
1867,1.6,0.0726,0.0065,0.00015900000000000002
1868,0.946,0.0431,0.0038599999999999997,9.4e-05
1869,0.686,0.0312,0.0028,6.819999999999999e-05
1870,1.22,0.055799999999999995,0.0049900000000000005,0.000122
1871,1.78,0.081,0.00725,0.000177
1872,1.84,0.084,0.00752,0.000183
1873,1.61,0.0733,0.00656,0.00016
1874,1.62,0.07379999999999999,0.00661,0.000161
1875,1.87,0.0853,0.00764,0.000186
1876,1.86,0.0845,0.00757,0.000184
1877,2.02,0.0922,0.00825,0.000201
1878,1.94,0.0881,0.0079,0.000192
1879,2.18,0.0993,0.0089,0.000217
1880,5.24,0.238,0.0214,0.0005200000000000001
1881,5.6,0.255,0.0228,0.0005560000000000001
1882,6.62,0.301,0.027,0.0006580000000000001
1883,7.44,0.339,0.0303,0.000739
1884,8.61,0.392,0.0351,0.000855
1885,8.25,0.376,0.033600000000000005,0.00082
1886,8.81,0.401,0.0359,0.000875
1887,10.2,0.462,0.0414,0.00101
1888,13.3,0.607,0.054299999999999994,0.00132
1889,11.3,0.514,0.0461,0.0011200000000000001
1890,12.4,0.613,0.0507,0.00123
1891,14.0,0.627,0.0569,0.00139
1892,13.9,0.644,0.0567,0.00138
1893,14.9,0.664,0.0606,0.00148
1894,14.2,0.687,0.0579,0.00141
1895,13.5,0.712,0.055200000000000006,0.00135
1896,14.7,0.739,0.0598,0.00146
1897,14.8,0.768,0.060399999999999995,0.00147
1898,15.7,0.799,0.06409999999999999,0.00156
1899,19.2,0.831,0.0782,0.00191
1900,20.6,0.864,0.0842,0.0020499999999999997
1901,23.9,0.899,0.0973,0.00237
1902,25.7,0.937,0.105,0.0025499999999999997
1903,28.0,0.979,0.114,0.00278
1904,33.1,1.02,0.135,0.00329
1905,35.4,1.07,0.144,0.00352
1906,37.4,1.13,0.153,0.00372
1907,47.0,1.18,0.192,0.00467
1908,47.4,1.24,0.193,0.004719999999999999
1909,45.4,1.3,0.185,0.00451
1910,51.7,1.37,0.211,0.00513
1911,60.3,1.44,0.246,0.0059900000000000005
1912,67.3,1.51,0.275,0.006690000000000001
1913,79.3,1.6,0.324,0.00789
1914,68.4,1.69,0.279,0.0068
1915,61.2,1.79,0.249,0.00608
1916,76.5,1.89,0.312,0.0076100000000000004
1917,85.3,2.0,0.348,0.00848
1918,89.6,2.12,0.365,0.0089
1919,76.1,2.24,0.311,0.00757
1920,84.4,2.37,0.344,0.00839
1921,80.5,2.54,0.328,0.00801
1922,69.3,2.76,0.282,0.00688
1923,93.1,3.01,0.379,0.00925
1924,77.4,3.28,0.316,0.0077
1925,75.3,3.55,0.307,0.0074800000000000005
1926,84.8,3.81,0.346,0.00843
1927,92.1,4.04,0.375,0.00915
1928,93.0,5.09,0.379,0.00924
1929,98.1,5.3,0.4,0.00976
1930,93.5,5.31,0.381,0.00929
1931,75.1,5.12,0.306,0.00747
1932,69.9,4.51,0.285,0.0069500000000000004
1933,69.4,4.07,0.283,0.006889999999999999
1934,79.7,3.83,0.325,0.00792
1935,78.6,3.49,0.32,0.007809999999999999
1936,85.9,3.26,0.35,0.00853
1937,93.1,3.03,0.38,0.00925
1938,85.2,2.72,0.347,0.00847
1939,94.6,2.56,0.386,0.00941
1940,108.0,2.63,0.441,0.0107
1941,120.0,2.77,0.488,0.0119
1942,130.0,3.03,0.532,0.013
1943,138.0,3.2,0.561,0.013699999999999999
1944,140.0,3.59,0.571,0.013900000000000001
1945,130.0,4.16,0.53,0.0129
1946,138.0,4.9,0.561,0.013699999999999999
1947,143.0,5.46,0.582,0.014199999999999999
1948,158.0,6.15,0.642,0.0157
1949,144.0,6.79,0.587,0.0143
1950,153.0,7.3,0.624,0.0152
1951,162.0,7.75,0.658,0.016
1952,158.0,8.3,0.645,0.0157
1953,159.0,9.04,0.643,0.0157
1954,162.0,9.5,0.658,0.016
1955,168.0,10.2,0.675,0.0165
1956,188.0,10.9,0.752,0.0183
1957,181.0,11.8,0.718,0.0175
1958,180.0,12.3,0.715,0.0174
1959,182.0,12.8,0.729,0.0178
1960,191.0,13.1,0.763,0.018600000000000002
1961,192.0,13.7,0.764,0.018600000000000002
1962,205.0,14.3,0.813,0.0198
1963,209.0,14.7,0.829,0.0202
1964,235.0,15.4,0.938,0.0229
1965,250.0,15.9,0.996,0.024300000000000002
1966,257.0,16.5,1.02,0.025
1967,280.0,16.5,1.12,0.0272
1968,302.0,17.2,1.21,0.0294
1969,306.0,17.9,1.22,0.0297
1970,340.0,18.5,1.16,0.113
1971,351.0,18.7,1.17,0.113
1972,379.0,19.6,1.17,0.122
1973,379.0,20.5,1.17,0.141
1974,387.0,20.0,1.18,0.147
1975,394.0,18.9,1.18,0.168
1976,396.0,19.2,1.19,0.192
1977,405.0,21.1,1.19,0.232
1978,413.0,22.1,1.19,0.255
1979,438.0,23.4,1.2,0.305
1980,441.0,21.6,1.2,0.325
1981,427.0,21.8,1.2,0.336
1982,413.0,19.7,1.21,0.388
1983,407.0,21.5,1.21,0.459
1984,423.0,24.1,1.22,0.522
1985,419.0,24.8,1.22,0.538
1986,402.0,23.1,1.23,0.521
1987,426.0,25.0,1.24,0.516
1988,451.0,25.8,1.25,0.535
1989,458.0,26.7,1.28,0.549
1990,430.0,25.1,0.196,0.533
1991,423.0,23.9,0.203,0.565
1992,439.0,24.1,0.215,0.566
1993,443.0,25.3,0.221,0.617
1994,452.0,26.7,0.238,0.639
1995,463.0,28.5,0.262,0.697
1996,474.0,27.8,0.244,0.713
1997,490.0,29.1,0.227,0.761
1998,501.0,28.5,0.25,0.723
1999,510.0,29.4,0.228,0.768
2000,529.0,29.4,0.259,0.754
2001,523.0,28.3,0.272,0.756
2002,514.0,29.5,0.27,0.797
2003,547.0,29.5,0.228,0.786
2004,546.0,30.6,0.249,0.778
2005,551.0,30.7,0.247,0.784
2006,538.0,31.4,0.236,0.895
2007,548.0,31.7,0.221,0.861
2008,556.0,31.0,0.235,0.871
2009,532.0,26.2,0.221,0.874
2010,530.0,27.2,0.226,0.949
2011,532.0,27.9,0.22,1.09
2012,513.0,28.2,0.174,1.18
2013,512.0,28.9,0.18,1.07
2014,532.0,28.4,0.199,1.21
2015,525.0,29.2,0.213,1.2
2016,516.0,30.0,0.21,1.18
2017,527.0,30.2,0.207,1.18
2018,542.0,30.2,0.205,1.18