Year Measure
1800 697.4
1801 697.4
1802 697.4
1803 697.4
1804 697.4
1805 697.4
1806 697.4
1807 697.4
1808 697.4
1809 697.4
1810 697.4
1811 697.4
1812 697.4
1813 697.4
1814 697.4
1815 697.4
1816 697.4
1817 697.4
1818 697.4
1819 697.4
1820 697.4
1821 699.7
1822 701.9
1823 704.2
1824 706.5
1825 708.8
1826 711.1
1827 713.4
1828 715.7
1829 718
1830 720.4
1831 722.7
1832 725.1
1833 727.4
1834 729.8
1835 732.1
1836 734.5
1837 736.9
1838 739.3
1839 741.7
1840 744.1
1841 746.5
1842 749
1843 751.4
1844 753.8
1845 756.3
1846 758.7
1847 761.2
1848 763.7
1849 766.1
1850 768.6
1851 771.1
1852 773.6
1853 776.1
1854 778.7
1855 781.2
1856 783.7
1857 786.3
1858 788.8
1859 791.4
1860 794
1861 796.5
1862 799.1
1863 801.7
1864 804.3
1865 806.9
1866 809.6
1867 812.2
1868 814.8
1869 817.5
1870 820.1
1871 822.8
1872 825.5
1873 828.1
1874 830.8
1875 833.5
1876 836.2
1877 838.9
1878 841.7
1879 844.4
1880 847.1
1881 849.9
1882 852.7
1883 855.4
1884 858.2
1885 861
1886 863.8
1887 866.6
1888 869.4
1889 872.2
1890 875.1
1891 877.9
1892 880.8
1893 883.6
1894 886.5
1895 889.4
1896 892.3
1897 895.2
1898 898.1
1899 901
1900 903.9
1901 906.8
1902 909.8
1903 912.7
1904 915.7
1905 918.7
1906 921.7
1907 924.7
1908 927.7
1909 930.7
1910 933.7
1911 936.7
1912 939.8
1913 942.8
1914 954.4
1915 966.1
1916 977.9
1917 989.9
1918 1002
1919 1014
1920 1027
1921 1039
1922 1052
1923 1065
1924 1078
1925 1091
1926 1105
1927 1118
1928 1132
1929 1146
1930 1160
1931 1174
1932 1188
1933 1203
1934 1218
1935 1233
1936 1248
1937 1263
1938 1278
1939 1294
1940 1310
1941 1326
1942 1342
1943 1359
1944 1375
1945 1392
1946 1409
1947 1426
1948 1444
1949 1462
1950 1480
1951 1498
1952 1516
1953 1535
1954 1553
1955 1572
1956 1592
1957 1611
1958 1631
1959 1651
1960 1671
1961 1692
1962 1712
1963 1733
1964 1755
1965 1776
1966 1798
1967 1820
1968 1842
1969 1865
1970 1888
1971 1911
1972 1934
1973 1958
1974 2043
1975 2112
1976 2127
1977 2210
1978 2224
1979 2244
1980 2589
1981 2963
1982 3433
1983 3680
1984 3787
1985 4064
1986 4157
1987 4270
1988 4165
1989 4152
1990 4039
1991 4269
1992 4251
1993 4382
1994 4573
1995 4690
1996 4742
1997 4630
1998 4741
1999 4928
2000 5103
2001 5249
2002 5310
2003 5461
2004 5505
2005 5363
2006 5100
2007 4958
2008 4963
2009 4990
2010 5050
2011 5103
2012 5124
2013 5162
2014 5232
2015 5310
2016 5389
2017 5469
2018 5550
2019 5633