Annual Percent
1960-01-01 31.95910000000000
1961-01-01 31.99860000000000
1962-01-01 31.10560000000000
1963-01-01 31.04950000000000
1964-01-01 31.61950000000000
1965-01-01 31.69620000000000
1966-01-01 34.50890000000000
1967-01-01 39.11720000000000
1968-01-01 41.06980000000000
1969-01-01 41.55720000000000
1970-01-01 42.57950000000000
1971-01-01 42.73350000000000
1972-01-01 42.87810000000000
1973-01-01 43.21840000000000
1974-01-01 43.56380000000000
1975-01-01 45.33500000000000
1976-01-01 46.31750000000000
1977-01-01 49.20160000000000
1978-01-01 51.50160000000000
1979-01-01 53.11800000000000
1980-01-01 54.40190000000000
1981-01-01 58.43310000000000
1982-01-01 65.16280000000000
1983-01-01 61.82160000000000
1984-01-01 59.13600000000000
1985-01-01 58.56330000000000
1986-01-01 59.95600000000000
1987-01-01 59.79270000000000
1988-01-01 60.51850000000000
1989-01-01 64.11470000000000
1990-01-01 68.41460000000000
1991-01-01 72.73270000000000
1992-01-01 73.58310000000000
1993-01-01 73.52000000000000
1994-01-01 70.93500000000000
1995-01-01 71.56230000000000
1996-01-01 72.09940000000000
1997-01-01 71.39070000000000
1998-01-01 71.16530000000000
1999-01-01 68.63330000000000
2000-01-01 66.16040000000000
2001-01-01 108.75500000000000
2002-01-01 146.88800000000000
2003-01-01 141.63200000000000
2004-01-01 136.65900000000000
2005-01-01 138.46700000000000
2006-01-01 146.62600000000000
2007-01-01 128.75900000000000
2008-01-01 112.74600000000001