1768      489.567
    1769      486.563
    1770      489.951
    1771      495.621
    1772      498.592
    1773      497.952
    1774      493.131
    1775      497.199
    1776      490.469
    1777      486.967
    1778      486.112
    1779      483.367
    1780      479.812
    1781      476.923
    1782      475.607
    1783      475.452
    1784      470.989
    1785      472.207
    1786      477.625
    1787      481.555
    1788      479.923
    1789      488.137
    1790      489.188
    1791      496.457
    1792      495.010
    1793      487.652
    1819      477.580
    1828      495.375
    1829      492.288
    1830      493.528
    1831      495.574
    1832      487.712
    1833      489.634
    1834      486.448
    1854      478.315
    1855      478.282
    1856      480.962
    1858      479.038
    1859      484.855
    1860      482.401
    1861      484.421
    1864      488.166
    1865      491.347
    1866      499.530
    1867      502.666
    1869      497.350
    1872      503.148
    1878      478.268
    1881      486.895
    1882      490.355
    1883      498.407
    1884      499.887
    1887      492.796
    1888      491.033
    1889      491.579
    1890      491.805
    1891      492.450
    1892      485.078
    1893      485.657
    1894      483.823
    1895      487.688
    1896      482.906
    1897      490.761
    1898      491.520
    1900      500.971
    1901      500.467
    1902      497.844
    1903      511.378
    1904      505.144
    1905      507.153
    1906      513.154
    1907      489.494
    1908      487.663
    1909      488.106
    1910      487.935
    1911      482.472
    1912      487.236
    1920      499.503
    1922      501.370
    1924      502.095
    1935      490.732
    1938      497.484
    1942      502.994
    1943      500.880
    1944      496.627
    1945      495.668
    1946      492.370
    1947      483.476
    1950      482.251
    1951      485.279
    1952      481.056
    1953      485.457
    1955      494.889
    1956      496.485
    1957      504.582
    1958      510.301
    1959      509.794
    1960      516.046
    1961      513.191
    1962      504.986
    1963      499.674
    1964      497.562
    1965      496.548
    1966      499.894
    1967      500.714
    1968      493.907
    1969      493.883
    1970      495.708
    1971      493.965
    1973      501.018
    1974      504.064
    1975      503.795
    1976      505.728
    1977      513.506
    1978      510.968
    1979      514.253
    1980      511.984
    1981      514.387
    1982      507.414
    1990      506.093
    1992      497.273
    1993      501.665
    1994      506.072
    1995      506.780
    1996      503.201