Year Measure
1800 1464
1801 1470
1802 1475
1803 1481
1804 1486
1805 1491
1806 1497
1807 1502
1808 1508
1809 1513
1810 1519
1811 1525
1812 1530
1813 1536
1814 1541
1815 1547
1816 1553
1817 1559
1818 1564
1819 1570
1820 1576
1821 1582
1822 1587
1823 1593
1824 1599
1825 1605
1826 1611
1827 1617
1828 1623
1829 1629
1830 1635
1831 1641
1832 1647
1833 1653
1834 1659
1835 1665
1836 1671
1837 1677
1838 1683
1839 1689
1840 1696
1841 1702
1842 1708
1843 1714
1844 1721
1845 1727
1846 1733
1847 1740
1848 1746
1849 1753
1850 1759
1851 1765
1852 1772
1853 1778
1854 1785
1855 1792
1856 1798
1857 1805
1858 1811
1859 1818
1860 1825
1861 1831
1862 1838
1863 1845
1864 1852
1865 1858
1866 1865
1867 1872
1868 1879
1869 1886
1870 1893
1871 1922
1872 1952
1873 1982
1874 2012
1875 2043
1876 2074
1877 2106
1878 2139
1879 2172
1880 2205
1881 2239
1882 2274
1883 2309
1884 2344
1885 2380
1886 2417
1887 2454
1888 2492
1889 2530
1890 2569
1891 2616
1892 2663
1893 2711
1894 2760
1895 2810
1896 2861
1897 2913
1898 2965
1899 3019
1900 3073
1901 3103
1902 3133
1903 3163
1904 3193
1905 3224
1906 3255
1907 3286
1908 3317
1909 3349
1910 3381
1911 3414
1912 3447
1913 3480
1914 3523
1915 3566
1916 3610
1917 3655
1918 3700
1919 3746
1920 3792
1921 3839
1922 3887
1923 3935
1924 3984
1925 4033
1926 4083
1927 4134
1928 4185
1929 4237
1930 3990
1931 3648
1932 3317
1933 3181
1934 3188
1935 3195
1936 3251
1937 3833
1938 4367
1939 4695
1940 3974
1941 3621
1942 3184
1943 2994
1944 1924
1945 1989
1946 3389
1947 3921
1948 4353
1949 4684
1950 4896
1951 5023
1952 5045
1953 5238
1954 5432
1955 5590
1956 5730
1957 5927
1958 6117
1959 6195
1960 6432
1961 6855
1962 6684
1963 7008
1964 7247
1965 7577
1966 7986
1967 8209
1968 8639
1969 8486
1970 8860
1971 9418
1972 10020
1973 10680
1974 11210
1975 11620
1976 11800
1977 11900
1978 12230
1979 11890
1980 11480
1981 10780
1982 10580
1983 11000
1984 11310
1985 11330
1986 11600
1987 11370
1988 11580
1989 11370
1990 10230
1991 9480
1992 9689
1993 10030
1994 10530
1995 11250
1996 11920
1997 12720
1998 13420
1999 14030
2000 14620
2001 14810
2002 15030
2003 15620
2004 16460
2005 16990
2006 18060
2007 19300
2008 20300
2009 20610
2010 21400
2011 22110
2012 22530
2013 22890
2014 23590
2015 24370
2016 25190
2017 26080
2018 27030
2019 28020