Annual Percent
1960-01-01 3.3670000000000000
1961-01-01 3.3609300000000000
1962-01-01 3.6718800000000003
1963-01-01 4.2148800000000000
1964-01-01 4.4625400000000000
1965-01-01 5.1180000000000000
1966-01-01 5.1180000000000000
1967-01-01 5.1180000000000000
1968-01-01 5.1180000000000000
1969-01-01 9.7022000000000000
1970-01-01 11.7855000000000000
1971-01-01 11.4684000000000000
1972-01-01 10.4779000000000000
1973-01-01 11.4929000000000000
1974-01-01 16.5024000000000000
1975-01-01 18.6725000000000000
1976-01-01 18.7738000000000000
1977-01-01 20.3543000000000000
1978-01-01 21.4784000000000000
1979-01-01 22.7159000000000000
1980-01-01 20.1534000000000000
1981-01-01 20.8690000000000000
1982-01-01 23.7373000000000000
1983-01-01 26.0944000000000000
1984-01-01 32.2371000000000000
1985-01-01 33.1572000000000000
1986-01-01 30.5491000000000000
1987-01-01 31.3909000000000000
1988-01-01 26.2408000000000000
1989-01-01 26.0595000000000000
1990-01-01 26.6006000000000000
1991-01-01 25.7502000000000000
1992-01-01 24.3496000000000000
1993-01-01 26.5149000000000000
1994-01-01 20.0859000000000000
1995-01-01 16.9486000000000000
1996-01-01 15.5444000000000000
1997-01-01 14.1820000000000000
1998-01-01 15.4454000000000000
1999-01-01 13.9010000000000000
2000-01-01 15.2667000000000000
2001-01-01 16.3703000000000000
2002-01-01 16.2826000000000000
2003-01-01 19.9302000000000000
2004-01-01 21.4603000000000000
2005-01-01 22.7425000000000000
2006-01-01 23.4469000000000000
2007-01-01 24.7232000000000000
2008-01-01 26.5266000000000000
2009-01-01 28.8115000000000000
2010-01-01 30.7032000000000000
2011-01-01 32.3589000000000000
2012-01-01 33.9607000000000000
2013-01-01 35.9712000000000000
2014-01-01 37.9683000000000000
2015-01-01 40.5599000000000000
2016-01-01 42.7742000000000000