1893 108.400 1894 130.900 1895 128.300 1896 125.200 1897 117.800 1898 129.900 1899 137.100 1900 137.900 1901 152.500 1902 142.400 1903 152.700 1904 135.400 1905 134.200 1906 142.900 1907 160.600 1908 140.500 1909 160.600 1910 133.300 1911 145.100 1912 159.900 1913 168.700 1914 144.100 1915 114.100 1916 . 1917 85.7000