Annual Percent
1981-01-01 42.6229527318245000
1982-01-01 30.1125435950715000
1983-01-01 40.2134918436936000
1984-01-01 53.6719669102483000
1985-01-01 79.4063811481874000
1986-01-01 95.8865052101643000
1987-01-01 132.0727210148310000
1988-01-01 198.7537128620230000
1989-01-01 1281.4434940487600000
1990-01-01 552.0835289143250000
1991-01-01 114.8329355897470000
1992-01-01 209.9337311868220000
1993-01-01 31.7621306305932000
1994-01-01 20.9918180471499000
1995-01-01 13.4637296178669000
1996-01-01 9.8644506154685200
1997-01-01 8.3596799070429500
1998-01-01 7.8911668285669000
1999-01-01 6.1555875445155900
2000-01-01 8.9117441865876400
2001-01-01 8.3796658749220500
2002-01-01 7.4807777070375600
2003-01-01 5.5441642175289800
2004-01-01 3.5929759424951300
2005-01-01 2.4515013231647400
2006-01-01 2.4579244419586400
2007-01-01 3.6574956328410400
2008-01-01 5.6474238057393400
2009-01-01 0.8392622467938400
2010-01-01 1.8011702213713600
2011-01-01 1.8028517194190700
2012-01-01 2.5974138603901000
2013-01-01 1.7692008588189600
2014-01-01 0.1993438265708490
2015-01-01 -0.5255522858208380
2016-01-01 -0.0549995416704911
2017-01-01 1.4291074331929700