Year % change from 1990 1991 -8.43243627157094 1992 0.785442573912021 1993 0.40274821343147 1994 1.29723361276428 1995 6.16217300208266 1996 8.34094056748227 1997 11.5902914284401 1998 17.6106251997552 1999 31.1741322008477 2000 28.875250412044 2001 28.3530146581131 2002 27.1414277089935 2003 13.3920047795016 2004 29.4664212854937 2005 36.1698394229504 2006 34.5007739533873 2007 51.3501883182129 2008 77.8891648614718 2009 78.7445870264105 2010 116.745593896944 2011 118.913049835914 2012 121.080505774883