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.
| 1895 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 48.01" | 40.99" | 45.45" | 51.25" | 41.11" | 51.64" | 51.92" | 45.45" | 51.44" | 33.24" | 41.96" | 51.51" | 42.40" | 46.32" | 44.97" | 41.03" | 40.81" | 59.53" | 43.39" | 41.14" | 44.69" | 40.49" | 45.90" | 42.74" | 49.95" | 54.18" | 38.93" | 49.28" | 48.38" | 48.29" | 36.55" | 46.27" | 33.01" | 58.14" | 66.51" | 42.14" | 30.04" | 51.21" | 40.58" | 44.19" | 41.73" | 51.73" | 51.10" | 38.82" | 45.27" | 42.84" | 35.80" | 46.46" | 42.06" | 53.24" | 46.30" | 48.25" | 55.53" | 57.88" | 45.41" | 39.95" | 39.41" | 40.95" | 49.74" | 27.90" | 40.08" | 42.91" | 52.09" | 42.10" | 54.12" | 45.27" | 47.96" | 46.70" | 46.68" | 64.10" | 45.38" | 51.77" | 44.50" | 37.28" | 45.37" | 45.32" | 52.34" | 44.14" | 52.67" | 46.34" | 56.96" | 50.70" | 43.89" | 39.23" | 53.28" | 45.52" | 35.87" | 46.72" | 48.95" | 45.75" | 44.05" | 38.35" | 42.48" | 42.41" | 49.96" | 40.82" | 54.32" | 55.96" | 42.69" | 59.77" | 47.17" | 44.70" | 51.39" | 50.03" | 38.61" | 38.37" | 40.98" | 45.43" | 55.33" | 49.52" | 52.32" | 36.89" | 33.37" | 43.16" | 52.98" | 41.34" | 36.13" | 36.06" |
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