Year % change from 1990 1991 12.9745010807554 1992 19.5554336067851 1993 2.45754218814267 1994 11.1972556363758 1995 2.46721468646887 1996 -0.949280993978341 1997 57.2850805458071 1998 10.3038016576101 1999 1.66853824984574 2000 -5.58555201480834 2001 -5.74604556847689 2002 13.5596055398109 2003 3.24243826092803 2004 12.4558695255444 2005 16.3725987900795 2006 30.6605735852642 2007 18.3563955499733 2008 12.4153477693156 2009 18.400168313065 2010 16.7371827386651 2011 31.2631476863481 2012 34.9957625982079