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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 37.75" | 33.80" | 33.52" | 32.07" | 32.59" | 48.43" | 40.26" | 32.60" | 39.06" | 28.01" | 38.26" | 42.71" | 38.44" | 36.34" | 45.99" | 33.54" | 33.82" | 50.09" | 41.95" | 30.02" | 36.07" | 39.72" | 44.83" | 33.97" | 42.88" | 47.01" | 32.62" | 41.96" | 42.45" | 36.50" | 28.56" | 43.36" | 29.03" | 43.94" | 53.08" | 31.16" | 30.39" | 45.06" | 41.73" | 42.32" | 40.49" | 49.26" | 47.33" | 41.42" | 55.28" | 43.64" | 34.96" | 43.42" | 40.65" | 52.76" | 43.98" | 57.63" | 46.71" | 46.62" | 48.97" | 44.61" | 39.52" | 37.56" | 45.68" | 24.68" | 40.55" | 42.14" | 44.50" | 43.00" | 42.94" | 43.28" | 52.85" | 40.84" | 40.47" | 52.70" | 41.12" | 44.00" | 40.06" | 32.52" | 41.71" | 40.80" | 49.28" | 40.46" | 54.30" | 49.61" | 61.51" | 43.23" | 43.65" | 41.60" | 58.28" | 51.07" | 35.63" | 45.70" | 51.48" | 39.55" | 39.17" | 31.57" | 40.27" | 40.31" | 50.74" | 45.72" | 53.70" | 42.51" | 39.41" | 49.52" | 41.05" | 49.05" | 48.82" | 51.21" | 40.84" | 30.57" | 49.47" | 40.85" | 55.69" | 44.01" | 50.99" | 34.38" | 28.29" | 42.32" | 52.79" | 39.03" | 40.68" | 42.64" |
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