Year % change from 1990 1991 -7.94059964899347 1992 -29.3221663501699 1993 -47.3785521915213 1994 -53.5121420093984 1995 -54.7795630508048 1996 -55.2361283166181 1997 -51.6588903381316 1998 -53.3976646029985 1999 -0.692969900073637 2000 332.608774425364 2001 -27.1754099139127 2002 -65.1235532827282 2003 53.865079886409 2004 -49.1675744887006 2005 -40.8481694121663 2006 -27.7075799058497 2007 55.0494608579517 2008 -15.2868019939212 2009 -4.50867662215385 2010 -7.25129468052129 2011 -7.25129468052108 2012 -7.25129468052129