Year Measure
1800 1505
1801 1507
1802 1508
1803 1510
1804 1512
1805 1513
1806 1515
1807 1516
1808 1518
1809 1519
1810 1521
1811 1523
1812 1524
1813 1526
1814 1527
1815 1529
1816 1531
1817 1532
1818 1534
1819 1535
1820 1537
1821 1547
1822 1556
1823 1566
1824 1576
1825 1586
1826 1596
1827 1606
1828 1617
1829 1627
1830 1637
1831 1647
1832 1658
1833 1668
1834 1679
1835 1690
1836 1700
1837 1711
1838 1722
1839 1733
1840 1744
1841 1755
1842 1766
1843 1777
1844 1788
1845 1800
1846 1811
1847 1823
1848 1834
1849 1846
1850 1857
1851 1869
1852 1881
1853 1893
1854 1905
1855 1917
1856 1929
1857 1941
1858 1954
1859 1966
1860 1978
1861 1991
1862 2004
1863 2016
1864 2029
1865 2042
1866 2055
1867 2068
1868 2081
1869 2094
1870 2107
1871 2121
1872 2134
1873 2148
1874 2161
1875 2175
1876 2189
1877 2202
1878 2216
1879 2230
1880 2245
1881 2259
1882 2273
1883 2288
1884 2302
1885 2317
1886 2227
1887 2604
1888 2505
1889 2329
1890 2320
1891 2125
1892 2326
1893 2636
1894 2997
1895 2774
1896 3055
1897 3004
1898 3083
1899 3272
1900 3202
1901 3282
1902 3566
1903 3320
1904 3671
1905 3250
1906 3106
1907 2984
1908 3259
1909 3384
1910 3611
1911 3336
1912 3604
1913 3786
1914 3616
1915 3721
1916 3308
1917 2905
1918 1778
1919 1533
1920 1539
1921 1409
1922 1636
1923 1884
1924 2387
1925 2983
1926 3349
1927 3488
1928 3668
1929 3711
1930 3879
1931 3914
1932 3853
1933 3998
1934 4365
1935 4991
1936 5331
1937 5773
1938 5757
1939 5990
1940 5740
1941 5633
1942 5527
1943 5423
1944 5321
1945 5222
1946 5124
1947 5693
1948 6432
1949 7025
1950 7609
1951 7514
1952 7864
1953 8067
1954 8318
1955 8871
1956 9550
1957 9575
1958 10110
1959 9825
1960 10570
1961 10970
1962 11090
1963 10670
1964 11890
1965 12410
1966 12860
1967 13290
1968 13930
1969 13990
1970 14930
1971 15180
1972 15110
1973 16230
1974 16570
1975 16500
1976 17150
1977 17440
1978 17760
1979 17570
1980 17480
1981 17540
1982 17860
1983 18310
1984 18410
1985 18450
1986 19080
1987 19210
1988 19500
1989 19740
1990 19180
1991 18180
1992 15530
1993 14180
1994 12380
1995 11860
1996 11450
1997 11630
1998 11030
1999 11780
2000 13010
2001 13740
2002 14470
2003 15620
2004 16830
2005 18000
2006 19550
2007 21280
2008 22400
2009 20670
2010 21570
2011 22570
2012 23320
2013 23630
2014 23960
2015 24530
2016 25150
2017 25790
2018 26450
2019 27130