1845 19.58 30.09 
1846 19.60 45.15 
1847 19.61 49.15 
1848 11.99 39.52 
1849 28.04 21.23 
1850 58.00 8.42 
1851 74.60 5.56 
1852 75.09 5.08 
1853 88.48 10.17 
1854 61.28 19.60 
1855 74.67 32.91 
1856 88.06 34.38 
1857 68.51 29.59 
1858 32.19 21.30 
1859 12.64 13.69 
1860 21.49 7.65 
1861 30.35 4.08 
1862 2.18 4.09 
1863 152.65 14.33 
1864 148.36 38.22 
1865 85.81 60.78 
1866 41.41 70.77 
1867 14.75 72.77 
1868 2.28 42.68 
1869 5.91 16.39 
1870 9.95 9.83 
1871 10.44 5.80 
1872 70.64 5.26 
1873 50.12 18.91 
1874 50.13 30.95 
1875 101.25 31.18 
1876 97.12 46.34 
1877 86.51 45.77 
1878 72.17 44.15 
1879 38.32 36.33 
1880 10.11 12.03 
1881 7.74 12.60 
1882 9.67 18.34 
1883 43.12 35.14 
1884 52.21 43.77 
1885 134.85 65.69 
1886 134.86 79.35 
1887 103.79 51.65 
1888 46.10 32.59 
1889 15.03 22.45 
1890 24.20 16.16 
1891 41.65 14.12 
1892 52.34 20.38 
1893 53.78 33.33 
1894 70.40 46.00 
1895 85.81 51.41 
1896 56.69 46.43 
1897 16.59 33.68 
1898 6.16 18.01 
1899 2.30 8.86 
1900 12.82 7.13 
1901 4.72 9.47 
1902 4.73 14.86 
1903 37.22 31.47 
1904 69.72 60.57 
1905 57.78 63.51 
1906 28.68 54.70 
1907 23.37 6.30 
1908 21.54 3.41 
1909 26.34 5.44 
1910 53.10 11.65 
1911 68.48 20.35 
1912 75.58 32.88 
1913 57.92 39.55 
1914 40.97 43.36 
1915 24.95 40.83 
1916 12.59 30.36 
1917 4.97 17.18 
1918 4.50 6.82 
1919 11.21 3.19 
1920 56.60 3.52 
1921 69.63 9.94 
1922 77.74 20.30 
1923 80.53 31.99 
1924 73.38 42.36 
1925 36.93 49.08 
1926 4.64 53.99 
1927 2.54 52.25 
1928 1.80 37.70 
1929 2.39 19.14 
1930 4.23 6.98 
1931 19.52 8.31 
1932 82.11 16.01 
1933 89.76 24.82 
1934 81.66 29.70 
1935 15.76 35.40