Year % change from 1990 1991 0.327603031942081 1992 -21.0145947430519 1993 -3.99187957334588 1994 46.7458707865431 1995 51.9366225878564 1996 4.44093508079169 1997 3.24766267869503 1998 184.089216969384 1999 61.0733706440822 2000 31.9229235036232 2001 7.85436103240729 2002 131.859259819761 2003 119.493371596936 2004 253.144276013598 2005 141.577757039204 2006 132.879606976008 2007 140.480574402435 2008 150.513653361284 2009 144.550145777224 2010 116.061277813743 2011 240.327977736863 2012 240.327977736861