Year Years 1800 438.5 1801 438.5 1802 438.5 1803 438.5 1804 438.5 1805 438.5 1806 438.5 1807 438.5 1808 438.5 1809 438.5 1810 438.5 1811 438.5 1812 438.5 1813 438.5 1814 438.5 1815 438.5 1816 438.5 1817 438.5 1818 438.5 1819 438.5 1820 438.5 1821 438.5 1822 438.5 1823 438.5 1824 438.5 1825 438.5 1826 438.5 1827 438.5 1828 438.5 1829 438.5 1830 438.5 1831 438.5 1832 438.5 1833 438.5 1834 438.5 1835 438.5 1836 438.5 1837 438.5 1838 438.5 1839 438.5 1840 438.5 1841 438.5 1842 438.5 1843 438.5 1844 438.5 1845 438.5 1846 438.5 1847 438.5 1848 438.5 1849 438.5 1850 438.5 1851 438.5 1852 438.5 1853 438.5 1854 438.5 1855 438.5 1856 438.5 1857 438.5 1858 438.5 1859 438.5 1860 438.5 1861 438.5 1862 438.5 1863 438.5 1864 438.5 1865 438.5 1866 438.5 1867 438.5 1868 438.5 1869 438.5 1870 438.5 1871 438.5 1872 438.5 1873 438.5 1874 438.5 1875 438.5 1876 438.5 1877 438.5 1878 438.5 1879 438.5 1880 438.5 1881 438.5 1882 438.5 1883 438.5 1884 438.5 1885 438.5 1886 438.5 1887 438.5 1888 438.5 1889 438.5 1890 438.5 1891 438.5 1892 438.5 1893 438.5 1894 438.4 1895 433.1 1896 429.1 1897 423.7 1898 418.4 1899 414.3 1900 408.9 1901 404.7