Annual Percent
1974-01-01 15.407400000000000
1975-01-01 12.894700000000000
1976-01-01 15.317800000000000
1977-01-01 17.172400000000000
1978-01-01 19.048100000000000
1979-01-01 18.776400000000000
1980-01-01 15.995600000000000
1981-01-01 13.218500000000000
1982-01-01 13.675000000000000
1983-01-01 16.784000000000002
1984-01-01 17.175700000000000
1985-01-01 18.704200000000000
1986-01-01 22.385300000000000
1987-01-01 22.576900000000000
1988-01-01 23.729600000000000
1989-01-01 36.245100000000000
1990-01-01 36.245100000000000
1991-01-01 101.880000000000000
1992-01-01 174.194000000000020
1993-01-01 351.180000000000000
1994-01-01 562.518000000000000
1995-01-01 668.096000000000000
1996-01-01 599.752000000000000
1997-01-01 307.989000000000030
1998-01-01 394.441000000000000
1999-01-01 457.330000000000000
2000-01-01 428.760999999999970
2001-01-01 444.657000000000000
2002-01-01 459.544000000000040
2003-01-01 628.624000000000000
2004-01-01 680.737000000000000
2005-01-01 828.363999999999900
2006-01-01 981.911999999999900
2007-01-01 22.708300000000000
2008-01-01 29.032900000000000
2009-01-01 27.743500000000000
2010-01-01 31.792900000000000
2011-01-01 35.164700000000000
2012-01-01 34.989300000000000
2013-01-01 33.913300000000000