Annual Percent
1966-01-01 15.2799000000000000
1967-01-01 14.8545000000000000
1968-01-01 15.4771000000000000
1969-01-01 15.8572000000000000
1970-01-01 12.1545000000000000
1971-01-01 11.9936000000000000
1972-01-01 12.4229000000000000
1973-01-01 14.4648000000000000
1974-01-01 15.7067000000000000
1975-01-01 14.1662000000000000
1976-01-01 15.3636000000000000
1977-01-01 10.4683000000000000
1978-01-01 9.7051400000000000
1979-01-01 8.6156399999999990
1980-01-01 9.2435200000000000
1981-01-01 9.3733100000000000
1982-01-01 7.9622800000000010
1983-01-01 6.8511399999999990
1984-01-01 6.3179600000000000
1985-01-01 6.9137800000000000
1986-01-01 8.4446900000000000
1987-01-01 7.4668399999999995
1988-01-01 5.4180100000000000
1989-01-01 4.6098200000000000
1990-01-01 5.6934700000000000
1991-01-01 5.9645000000000000
1992-01-01 8.0940300000000000
1993-01-01 8.2396800000000000
1994-01-01 10.4404000000000000
1995-01-01 10.7634000000000000
1996-01-01 11.2719000000000000
1997-01-01 11.9447000000000000
1998-01-01 12.6263000000000000
1999-01-01 13.6686000000000000
2000-01-01 13.7631000000000000
2001-01-01 14.8391000000000000
2002-01-01 15.6462000000000000
2003-01-01 17.1883000000000000
2004-01-01 16.5972000000000000
2005-01-01 16.8861000000000000
2006-01-01 16.9877000000000000
2007-01-01 17.0612000000000000
2008-01-01 17.2361000000000000
2009-01-01 16.8727000000000000
2010-01-01 18.0948000000000000
2011-01-01 16.4299000000000000
2012-01-01 13.5667000000000000
2013-01-01 14.2512000000000000
2014-01-01 14.7096000000000000
2015-01-01 15.0652000000000000
2016-01-01 15.9683000000000000