Year % change from 1990 1991 -0.00942563943049368 1992 -0.437879770933891 1993 0.388212553827283 1994 3.01109117465603 1995 3.86290144823518 1996 5.58233752465451 1997 9.0499403763268 1998 11.6982108181388 1999 10.8068586555112 2000 11.5778065999453 2001 11.1096808393016 2002 12.9621208403982 2003 13.8810123735916 2004 16.9081236237537 2005 14.1203118120428 2006 14.6970898076582 2007 15.4399904321609 2008 10.2908377521726 2009 7.98851957726543 2010 8.00900134281801 2011 8.53139344217027 2012 7.57473953400873