Year Percent 1992-01-01 9.8935051977117100 1993-01-01 23.2870276645450000 1994-01-01 13.4155203422246000 1995-01-01 9.8410957983775700 1996-01-01 5.7758278615594500 1997-01-01 6.1419899959565300 1998-01-01 6.6656512319582900 1999-01-01 10.5704416075224000 2000-01-01 12.0357805974299000 2001-01-01 7.3296201911553200 2002-01-01 3.1271422298460400 2003-01-01 8.5541430540665100 2004-01-01 7.5485008818341900 2005-01-01 2.7090849458839100 2006-01-01 4.4833312044961100 2007-01-01 2.7567237163813800 2008-01-01 4.5981797632502800 2009-01-01 1.6151046405823600 2010-01-01 0.9570181329751360 2011-01-01 3.9192859914629400 2012-01-01 3.6061026352288600 2013-01-01 1.4004736896303100 2014-01-01 -0.0761653295419824 2015-01-01 -0.3252197774277390 2016-01-01 -0.5200101962783240 2017-01-01 1.3119458822323400