Annual Percent
1960-01-01 25.254800000000000
1961-01-01 24.290200000000000
1962-01-01 23.717900000000000
1963-01-01 24.928000000000000
1964-01-01 24.997800000000000
1965-01-01 24.865900000000000
1966-01-01 25.011100000000000
1967-01-01 25.304600000000000
1968-01-01 26.199600000000000
1969-01-01 25.817700000000000
1970-01-01 24.993000000000002
1971-01-01 24.089700000000000
1972-01-01 24.027200000000000
1973-01-01 23.814800000000000
1974-01-01 24.164500000000000
1975-01-01 25.924800000000000
1976-01-01 26.870300000000000
1977-01-01 26.301200000000000
1978-01-01 25.234500000000000
1979-01-01 24.297200000000000
1980-01-01 25.176700000000000
1981-01-01 25.767600000000000
1982-01-01 25.235900000000000
1983-01-01 27.980100000000000
1984-01-01 31.481100000000000
1985-01-01 34.327700000000000
1986-01-01 36.172700000000000
1987-01-01 44.185700000000000
1988-01-01 52.664900000000000
1989-01-01 51.684000000000000
1990-01-01 50.858500000000000
1991-01-01 52.215400000000000
1992-01-01 52.003300000000000
1993-01-01 56.545500000000000
1994-01-01 54.730400000000000
1995-01-01 50.933600000000000
1996-01-01 51.893000000000000
1997-01-01 52.826000000000000
1998-01-01 53.723800000000000
1999-01-01 51.773300000000000
2000-01-01 46.927000000000000
2001-01-01 45.102200000000000
2002-01-01 45.730300000000000
2003-01-01 47.413800000000000
2004-01-01 49.117100000000000
2005-01-01 53.199300000000000
2006-01-01 56.589300000000000
2007-01-01 60.694900000000000
2008-01-01 65.319100000000000
2009-01-01 63.867500000000000
2010-01-01 53.894600000000000
2011-01-01 51.711300000000000
2012-01-01 50.496000000000000
2013-01-01 50.785900000000000
2014-01-01 51.812300000000000
2015-01-01 53.485800000000000
2016-01-01 55.413700000000000