Year Measure
1800 568.6
1801 568.6
1802 568.6
1803 568.6
1804 568.6
1805 568.6
1806 568.6
1807 568.6
1808 568.6
1809 568.6
1810 568.6
1811 568.6
1812 568.6
1813 568.6
1814 568.6
1815 568.6
1816 568.6
1817 568.6
1818 568.6
1819 568.6
1820 568.6
1821 577
1822 585.6
1823 594.3
1824 603.2
1825 612.2
1826 621.3
1827 630.5
1828 639.9
1829 649.4
1830 659.1
1831 668.9
1832 678.9
1833 689
1834 699.2
1835 709.6
1836 720.2
1837 730.9
1838 741.8
1839 752.8
1840 764
1841 775.4
1842 787
1843 798.7
1844 810.6
1845 822.6
1846 834.9
1847 847.3
1848 859.9
1849 872.7
1850 885.7
1851 898.9
1852 912.2
1853 925.8
1854 939.6
1855 953.6
1856 967.8
1857 982.2
1858 996.8
1859 1012
1860 1027
1861 1042
1862 1057
1863 1073
1864 1089
1865 1105
1866 1122
1867 1139
1868 1156
1869 1173
1870 1190
1871 1208
1872 1226
1873 1244
1874 1263
1875 1281
1876 1300
1877 1320
1878 1339
1879 1359
1880 1380
1881 1400
1882 1421
1883 1442
1884 1464
1885 1485
1886 1508
1887 1530
1888 1553
1889 1576
1890 1599
1891 1623
1892 1647
1893 1672
1894 1697
1895 1722
1896 1748
1897 1774
1898 1800
1899 1827
1900 1854
1901 1882
1902 1910
1903 1938
1904 1967
1905 1996
1906 2026
1907 2056
1908 2087
1909 2118
1910 2149
1911 2181
1912 2214
1913 2246
1914 2280
1915 2314
1916 2348
1917 2383
1918 2419
1919 2455
1920 2491
1921 2528
1922 2566
1923 2604
1924 2643
1925 2682
1926 2722
1927 2763
1928 2804
1929 2846
1930 2888
1931 2931
1932 2974
1933 3019
1934 3064
1935 3109
1936 3156
1937 3203
1938 3250
1939 3299
1940 3348
1941 3397
1942 3448
1943 3499
1944 3551
1945 3604
1946 3658
1947 3712
1948 3768
1949 3824
1950 3881
1951 3909
1952 3937
1953 3994
1954 4119
1955 4152
1956 4203
1957 4259
1958 4269
1959 4405
1960 4701
1961 4634
1962 5155
1963 5528
1964 6263
1965 6515
1966 6592
1967 6163
1968 6054
1969 6102
1970 5968
1971 5955
1972 6086
1973 6112
1974 6154
1975 5991
1976 6089
1977 6297
1978 6573
1979 6654
1980 6770
1981 6874
1982 6809
1983 6428
1984 6156
1985 6004
1986 6009
1987 6001
1988 5888
1989 6042
1990 5641
1991 5798
1992 6181
1993 5892
1994 6122
1995 6211
1996 6233
1997 6335
1998 6399
1999 6482
2000 6535
2001 6536
2002 6616
2003 6774
2004 7147
2005 7387
2006 7770
2007 8043
2008 8165
2009 7929
2010 8382
2011 8715
2012 9078
2013 9391
2014 9715
2015 10070
2016 10440
2017 10840
2018 11240
2019 11670