Annual Percent
1960-01-01 42.00390000000000
1961-01-01 40.85060000000000
1962-01-01 36.29630000000000
1963-01-01 84.77510000000000
1964-01-01 107.55300000000000
1965-01-01 101.61100000000000
1966-01-01 103.87299999999999
1967-01-01 102.36000000000000
1968-01-01 101.49900000000000
1969-01-01 103.90500000000000
1970-01-01 113.47900000000000
1971-01-01 121.31900000000000
1972-01-01 112.88900000000000
1973-01-01 92.93220000000000
1974-01-01 86.15750000000000
1975-01-01 87.56210000000000
1976-01-01 68.93030000000000
1977-01-01 60.22120000000000
1978-01-01 69.91870000000000
1979-01-01 56.11630000000000
1980-01-01 31.05480000000000
1981-01-01 25.58280000000000
1982-01-01 25.71650000000000
1983-01-01 22.93450000000000
1984-01-01 19.17120000000000
1985-01-01 15.83830000000000
1986-01-01 14.08800000000000
1987-01-01 15.65280000000000
1988-01-01 14.83390000000000
1989-01-01 11.34570000000000
1990-01-01 10.36090000000000
1991-01-01 9.80436000000000
1992-01-01 11.20540000000000
1993-01-01 18.88170000000000
1994-01-01 25.42190000000000
1995-01-01 36.17710000000000
1996-01-01 56.39730000000000
1997-01-01 62.75190000000000
1998-01-01 61.25400000000000
1999-01-01 66.92340000000000
2000-01-01 68.49400000000000
2001-01-01 63.00730000000000
2002-01-01 56.24710000000000
2003-01-01 50.61740000000000
2004-01-01 47.66550000000000
2005-01-01 50.52190000000000
2006-01-01 57.76030000000000
2007-01-01 60.09700000000000
2008-01-01 62.27160000000000