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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 46.96" | 46.11" | 57.30" | 46.13" | 50.54" | 52.49" | 54.92" | 52.47" | 39.68" | 39.59" | 42.69" | 44.32" | 49.77" | 47.46" | 42.89" | 37.45" | 44.57" | 47.45" | 43.77" | 35.45" | 43.55" | 49.87" | 47.41" | 50.06" | 49.67" | 47.32" | 39.11" | 52.18" | 38.01" | 41.57" | 46.09" | 39.59" | 51.04" | 47.39" | 41.04" | 36.60" | 44.22" | 43.69" | 41.65" | 40.94" | 45.14" | 40.69" | 41.29" | 44.35" | 38.35" | 34.92" | 37.18" | 35.79" | 41.52" | 42.01" | 41.99" | 38.42" | 35.09" | 39.69" | 37.97" | 46.78" | 45.27" | 42.82" | 40.52" | 55.50" | 34.66" | 31.75" | 42.61" | 38.66" | 46.91" | 41.83" | 39.11" | 42.34" | 40.96" | 31.76" | 32.92" | 35.00" | 42.69" | 39.09" | 47.48" | 39.47" | 37.36" | 48.09" | 49.68" | 38.29" | 43.31" | 47.51" | 48.43" | 40.25" | 39.55" | 35.39" | 48.03" | 42.05" | 49.58" | 36.21" | 38.52" | 38.31" | 35.66" | 36.55" | 42.24" | 50.30" | 42.24" | 38.00" | 42.39" | 38.25" | 45.07" | 47.08" | 41.34" | 43.14" | 47.05" | 35.89" | 34.02" | 36.16" | 42.88" | 46.09" | 54.75" | 55.56" | 48.85" | 50.04" | 51.49" | 50.00" | 46.29" | 46.28" |
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