Annual Percent
1960-01-01 4.8853599999999995
1961-01-01 4.7472400000000010
1962-01-01 4.1541000000000000
1963-01-01 10.0808000000000000
1964-01-01 16.5080000000000000
1965-01-01 12.4032000000000000
1966-01-01 7.7730600000000010
1967-01-01 8.1406100000000000
1968-01-01 7.5911899999999990
1969-01-01 7.0265699999999995
1970-01-01 7.4897199999999990
1971-01-01 7.7219600000000000
1972-01-01 8.2246700000000000
1973-01-01 7.7926800000000010
1974-01-01 6.6336000000000000
1975-01-01 8.2431200000000000
1976-01-01 12.9393000000000000
1977-01-01 17.1614000000000000
1978-01-01 19.9682000000000000
1979-01-01 20.8575000000000000
1980-01-01 24.3924000000000000
1981-01-01 29.5825000000000000
1982-01-01 41.0049000000000000
1983-01-01 43.9010000000000000
1984-01-01 38.9817000000000000
1985-01-01 36.0271000000000000
1986-01-01 33.4632000000000000
1987-01-01 30.9773000000000000
1988-01-01 31.7332000000000000
1989-01-01 35.1124000000000000
1990-01-01 33.8829000000000000
1991-01-01 32.0994000000000000
1992-01-01 30.3190000000000030
1993-01-01 27.9548000000000000
1994-01-01 25.1868000000000000
1995-01-01 25.7852000000000000
1996-01-01 26.0937000000000000
1997-01-01 27.6176000000000000
1998-01-01 30.0550000000000000
1999-01-01 35.1080000000000040
2000-01-01 38.7595000000000000
2001-01-01 42.9345000000000000
2002-01-01 49.4602000000000000
2003-01-01 49.2578000000000000
2004-01-01 43.7793000000000000
2005-01-01 39.9158000000000000
2006-01-01 38.3237000000000000
2007-01-01 35.7393000000000000
2008-01-01 36.1157000000000000
2009-01-01 36.1111000000000000
2010-01-01 34.7176000000000000
2011-01-01 36.4727000000000000
2012-01-01 36.7432000000000000
2013-01-01 37.3583000000000000
2014-01-01 39.9274000000000000
2015-01-01 44.5979000000000000
2016-01-01 46.6647000000000000