Year Measure 1700 1268 1701 1269 1702 1270 1703 1272 1704 1273 1705 1274 1706 1275 1707 1277 1708 1278 1709 1279 1710 1281 1711 1282 1712 1283 1713 1284 1714 1286 1715 1287 1716 1288 1717 1290 1718 1291 1719 1292 1720 1293 1721 1295 1722 1296 1723 1297 1724 1299 1725 1300 1726 1301 1727 1302 1728 1304 1729 1305 1730 1306 1731 1308 1732 1309 1733 1310 1734 1312 1735 1313 1736 1314 1737 1316 1738 1317 1739 1318 1740 1320 1741 1321 1742 1322 1743 1323 1744 1325 1745 1326 1746 1327 1747 1329 1748 1330 1749 1331 1750 1333 1751 1334 1752 1335 1753 1337 1754 1338 1755 1339 1756 1341 1757 1342 1758 1343 1759 1345 1760 1346 1761 1347 1762 1349 1763 1350 1764 1352 1765 1353 1766 1354 1767 1356 1768 1357 1769 1358 1770 1360 1771 1361 1772 1362 1773 1364 1774 1365 1775 1366 1776 1368 1777 1369 1778 1371 1779 1372 1780 1373 1781 1375 1782 1376 1783 1377 1784 1379 1785 1380 1786 1382 1787 1383 1788 1384 1789 1386 1790 1387 1791 1388 1792 1390 1793 1391 1794 1393 1795 1394 1796 1395 1797 1397 1798 1398 1799 1400 1800 1401 1801 1402 1802 1404 1803 1405 1804 1407 1805 1408 1806 1409 1807 1411 1808 1412 1809 1414 1810 1415 1811 1416 1812 1418 1813 1419 1814 1421 1815 1422 1816 1424 1817 1425 1818 1426 1819 1428 1820 1429 1821 1441 1822 1452 1823 1464 1824 1476 1825 1488 1826 1500 1827 1512 1828 1524 1829 1536 1830 1549 1831 1561 1832 1574 1833 1586 1834 1599 1835 1612 1836 1625 1837 1638 1838 1651 1839 1665 1840 1678 1841 1691 1842 1705 1843 1719 1844 1733 1845 1747 1846 1761 1847 1775 1848 1789 1849 1804 1850 1818 1851 1825 1852 1832 1853 1839 1854 1845 1855 1852 1856 1859 1857 1866 1858 1873 1859 1880 1860 1887 1861 1895 1862 1902 1863 1909 1864 1916 1865 1923 1866 1930 1867 1938 1868 1945 1869 1952 1870 1960 1871 1993 1872 2028 1873 2063 1874 2098 1875 2134 1876 2171 1877 2208 1878 2247 1879 2285 1880 2325 1881 2365 1882 2405 1883 2447 1884 2489 1885 2532 1886 2576 1887 2620 1888 2665 1889 2711 1890 2758 1891 2777 1892 2795 1893 2814 1894 2833 1895 2853 1896 2872 1897 2891 1898 2911 1899 2931 1900 2951 1901 2998 1902 3046 1903 3094 1904 3144 1905 3194 1906 3245 1907 3297 1908 3350 1909 3403 1910 3458 1911 3458 1912 3458 1913 3458 1914 3445 1915 3433 1916 3421 1917 3409 1918 3397 1919 3385 1920 3373 1921 3407 1922 3457 1923 3585 1924 3789 1925 3919 1926 4133 1927 4008 1928 4299 1929 4463 1930 4313 1931 4124 1932 3689 1933 3752 1934 3838 1935 3728 1936 4155 1937 4166 1938 4437 1939 4618 1940 4578 1941 4537 1942 4498 1943 4458 1944 4419 1945 4380 1946 4341 1947 4303 1948 5065 1949 5490 1950 5074 1951 5205 1952 4738 1953 5374 1954 5600 1955 5880 1956 5698 1957 6590 1958 6804 1959 7569 1960 7972 1961 8249 1962 8321 1963 9098 1964 9877 1965 10040 1966 10480 1967 10570 1968 10710 1969 11810 1970 12280 1971 13580 1972 13920 1973 14260 1974 15960 1975 15820 1976 16160 1977 17170 1978 17960 1979 19030 1980 19830 1981 20070 1982 20080 1983 20140 1984 20540 1985 20600 1986 21330 1987 21000 1988 20610 1989 20260 1990 18710 1991 17190 1992 12340 1993 8571 1994 8784 1995 9277 1996 9716 1997 10470 1998 10760 1999 8337 2000 8741 2001 9181 2002 9573 2003 9838 2004 10690 2005 11390 2006 11850 2007 12540 2008 13070 2009 12660 2010 12490 2011 12570 2012 12440 2013 12750 2014 12870 2015 13060 2016 13330 2017 13660 2018 14070 2019 14630