1850. 286.54 1851. 286.61 1852. 286.74 1853. 286.73 1854. 286.56 1855. 286.63 1856. 286.74 1857. 286.73 1858. 286.77 1859. 286.60 1860. 286.57 1861. 286.70 1862. 286.53 1863. 286.58 1864. 286.62 1865. 286.55 1866. 286.49 1867. 286.60 1868. 286.62 1869. 286.60 1870. 286.69 1871. 286.75 1872. 286.78 1873. 286.79 1874. 286.76 1875. 286.67 1876. 286.61 1877. 286.67 1878. 286.84 1879. 286.63 1880. 286.73 1881. 286.88 1882. 286.88 1883. 286.86 1884. 286.45 1885. 286.53 1886. 286.59 1887. 286.69 1888. 286.63 1889. 286.75 1890. 286.91 1891. 286.70 1892. 286.77 1893. 286.73 1894. 286.93 1895. 287.04 1896. 287.20 1897. 287.03 1898. 286.97 1899. 287.05 1900. 287.10 1901. 287.03 1902. 287.08 1903. 286.82 1904. 286.72 1905. 286.89 1906. 287.04 1907. 287.06 1908. 287.06 1909. 287.01 1910. 286.87 1911. 286.85 1912. 287.00 1913. 287.04 1914. 286.85 1915. 286.78 1916. 286.70 1917. 286.94 1918. 286.98 1919. 287.12 1920. 287.12 1921. 287.14 1922. 287.08 1923. 287.03 1924. 286.92 1925. 287.12 1926. 287.16 1927. 287.19 1928. 287.20 1929. 287.19 1930. 287.09 1931. 287.07 1932. 287.25 1933. 287.13 1934. 287.18 1935. 287.05 1936. 287.07 1937. 287.11 1938. 287.26 1939. 287.16 1940. 287.33 1941. 287.20 1942. 287.17 1943. 287.34 1944. 287.17 1945. 287.36 1946. 287.36 1947. 287.28 1948. 287.33 1949. 287.41 1950. 287.35 1951. 287.15 1952. 287.32 1953. 287.24 1954. 287.20 1955. 287.22 1956. 287.08 1957. 287.20 1958. 287.31 1959. 287.22 1960. 287.29 1961. 287.23 1962. 287.11 1963. 287.04 1964. 287.00 1965. 287.01 1966. 287.13 1967. 286.91 1968. 286.97 1969. 287.19 1970. 287.29 1971. 287.33 1972. 287.36 1973. 287.43 1974. 287.43 1975. 287.32 1976. 287.46 1977. 287.55 1978. 287.41 1979. 287.42 1980. 287.59 1981. 287.77 1982. 287.45 1983. 287.41 1984. 287.48 1985. 287.56 1986. 287.49 1987. 287.48 1988. 287.52 1989. 287.70 1990. 287.85 1991. 287.91 1992. 287.46 1993. 287.40 1994. 287.65 1995. 287.71 1996. 287.82 1997. 287.97 1998. 288.03 1999. 287.90 2000. 287.87 2001. 288.09 2002. 287.98 2003. 288.11 2004. 288.14 2005. 288.03 2006. 288.09 2007. 288.19 2008. 288.02 2009. 288.00 2010. 288.11 2011. 288.21 2012. 288.28 2013. 288.18 2014. 288.29