Year Measure
1800 1300
1801 1305
1802 1311
1803 1316
1804 1322
1805 1327
1806 1333
1807 1338
1808 1344
1809 1350
1810 1355
1811 1361
1812 1366
1813 1372
1814 1378
1815 1384
1816 1389
1817 1395
1818 1401
1819 1407
1820 1413
1821 1418
1822 1424
1823 1430
1824 1436
1825 1442
1826 1448
1827 1454
1828 1460
1829 1466
1830 1472
1831 1479
1832 1485
1833 1491
1834 1497
1835 1503
1836 1510
1837 1516
1838 1522
1839 1529
1840 1535
1841 1541
1842 1548
1843 1554
1844 1561
1845 1567
1846 1574
1847 1580
1848 1587
1849 1593
1850 1600
1851 1618
1852 1636
1853 1655
1854 1673
1855 1692
1856 1711
1857 1730
1858 1750
1859 1770
1860 1789
1861 1810
1862 1830
1863 1851
1864 1871
1865 1892
1866 1914
1867 1935
1868 1957
1869 1979
1870 2001
1871 2024
1872 2047
1873 2070
1874 2093
1875 2117
1876 2140
1877 2165
1878 2189
1879 2214
1880 2238
1881 2264
1882 2289
1883 2315
1884 2341
1885 2367
1886 2394
1887 2421
1888 2448
1889 2476
1890 2504
1891 2532
1892 2560
1893 2589
1894 2618
1895 2648
1896 2677
1897 2708
1898 2738
1899 2769
1900 2800
1901 2801
1902 2803
1903 2804
1904 2805
1905 2807
1906 2808
1907 2809
1908 2811
1909 2812
1910 2813
1911 2814
1912 2816
1913 2817
1914 2818
1915 2820
1916 2821
1917 2822
1918 2824
1919 2825
1920 2826
1921 2828
1922 2829
1923 2830
1924 2832
1925 2833
1926 2834
1927 2836
1928 2837
1929 2838
1930 2840
1931 2841
1932 2842
1933 2844
1934 2845
1935 3149
1936 3485
1937 3857
1938 4269
1939 4724
1940 5229
1941 5787
1942 6405
1943 7089
1944 7846
1945 8683
1946 9610
1947 10640
1948 11770
1949 13030
1950 14420
1951 14970
1952 15540
1953 16110
1954 16690
1955 17250
1956 17800
1957 18320
1958 18770
1959 19160
1960 19480
1961 19750
1962 20080
1963 20520
1964 21050
1965 21740
1966 22490
1967 23310
1968 24120
1969 24980
1970 25950
1971 25750
1972 27890
1973 29320
1974 29840
1975 27320
1976 33360
1977 32850
1978 29510
1979 32370
1980 36010
1981 33520
1982 30860
1983 30400
1984 32420
1985 25250
1986 23170
1987 22160
1988 24380
1989 25200
1990 27330
1991 26380
1992 27460
1993 26920
1994 28180
1995 26040
1996 24920
1997 24390
1998 23070
1999 24550
2000 30620
2001 30770
2002 35470
2003 41870
2004 47800
2005 55560
2006 58760
2007 57550
2008 51690
2009 43330
2010 42710
2011 40080
2012 40630
2013 41780
2014 42880
2015 43410
2016 43950
2017 44590
2018 45260
2019 45920