Year % change from 1990 1991 -4.67242613851748 1992 -0.561735703889532 1993 7.1492720320858 1994 -21.4134183838223 1995 -14.7462993209377 1996 -12.3608764630728 1997 -11.6967198154223 1998 41.9876729830539 1999 -25.6412716389691 2000 -12.9510897288899 2001 -3.615971770476 2002 -53.2858005307076 2003 71.4215849155501 2004 8.92421739354259 2005 -21.3818052481081 2006 -33.5894831919205 2007 7.91006987181588 2008 -25.1248379563547 2009 -30.3312944303786 2010 -42.4252493249156 2011 -42.4252493249156 2012 -42.4252493249156