Year % change from 1990 1991 7.28138088934223 1992 0.673028928579189 1993 18.6440677966102 1994 13.3515267258404 1995 8.59936196532043 1996 9.01630894767682 1997 12.199429241086 1998 0.323900258252152 1999 17.5658922719677 2000 33.2675947828729 2001 35.5640584648104 2002 55.5887714577139 2003 74.1981162785651 2004 84.2854120098093 2005 89.4708001475727 2006 120.630601792574 2007 116.524881182317 2008 118.19592439072 2009 112.505968011459 2010 116.8083617266 2011 116.123110984739 2012 115.437860242879