Annual Percent
1976-01-01 2.7031500000000000
1977-01-01 2.5794300000000000
1978-01-01 2.2601000000000000
1979-01-01 2.2937200000000000
1980-01-01 2.5296400000000000
1981-01-01 2.7517200000000000
1982-01-01 2.5520000000000000
1983-01-01 2.4709900000000000
1984-01-01 2.1010600000000000
1985-01-01 1.8874000000000000
1986-01-01 1.6147400000000000
1987-01-01 1.7225000000000000
1988-01-01 2.1801200000000000
1989-01-01 2.7505599999999997
1990-01-01 3.7294099999999997
1991-01-01 4.1593900000000000
1992-01-01 3.9577500000000000
1993-01-01 10.9747000000000000
1994-01-01 25.6326000000000000
1995-01-01 38.0025000000000000
1996-01-01 41.2365000000000000
1997-01-01 44.0906000000000000
1998-01-01 43.6258000000000000
1999-01-01 39.8915000000000000
2000-01-01 42.9219000000000000
2001-01-01 46.2073000000000000
2002-01-01 48.9752000000000000
2003-01-01 50.9798000000000000
2004-01-01 52.8868000000000000
2005-01-01 54.2758000000000000
2006-01-01 56.3391000000000000
2007-01-01 58.3079000000000000
2008-01-01 61.6541000000000000
2009-01-01 68.0563000000000000
2010-01-01 73.6495000000000000
2011-01-01 78.1204000000000000
2012-01-01 81.4883000000000000
2013-01-01 81.0781000000000000
2014-01-01 83.8988000000000000
2015-01-01 85.0917000000000000
2016-01-01 85.5610000000000000