Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through April 2013.
Move mouse towards an axis until highlighted. Left-click mouse to pan. Shift key + left-click to zoom.
| 1896 | 1897 | 1898 | 1899 | 1900 | 1901 | 1902 | 1903 | 1904 | 1905 | 1906 | 1907 | 1908 | 1909 | 1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43.64" | 52.32" | 46.09" | 45.26" | 45.89" | 42.99" | 42.10" | 52.20" | 38.61" | 48.00" | 38.86" | 51.08" | 44.46" | 50.46" | 41.29" | 42.76" | 61.98" | 47.05" | 34.69" | 42.26" | 54.20" | 54.47" | 36.45" | 45.65" | 60.06" | 43.61" | 54.40" | 59.86" | 44.67" | 33.36" | 40.26" | 62.02" | 51.27" | 52.14" | 40.10" | 32.58" | 53.31" | 48.75" | 39.89" | 44.97" | 34.18" | 54.05" | 45.23" | 51.30" | 38.08" | 33.76" | 37.23" | 37.53" | 44.42" | 46.67" | 51.03" | 41.89" | 43.20" | 59.01" | 57.46" | 46.44" | 48.95" | 45.75" | 38.35" | 47.59" | 44.58" | 49.69" | 46.49" | 41.79" | 40.89" | 43.76" | 54.98" | 41.67" | 46.79" | 48.17" | 35.24" | 47.31" | 40.66" | 41.13" | 47.20" | 43.27" | 44.49" | 60.66" | 59.23" | 53.85" | 42.88" | 36.83" | 45.12" | 63.12" | 47.76" | 38.94" | 43.77" | 52.27" | 55.05" | 41.09" | 32.02" | 39.81" | 36.71" | 64.20" | 40.78" | 59.44" | 46.40" | 39.30" | 58.98" | 45.39" | 46.19" | 55.11" | 53.35" | 44.08" | 40.14" | 45.37" | 47.68" | 54.24" | 49.86" | 49.94" | 40.36" | 29.41" | 43.52" | 47.76" | 47.42" | 46.90" | 41.28" |
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