Year % change from 1990 1991 3.01256590174364 1992 4.42620841121402 1993 7.95605592918118 1994 6.354724482086 1995 7.14571332657552 1996 8.85349580248176 1997 9.31986170762669 1998 122.551169021296 1999 -1.11510444884199 2000 21.4343174822351 2001 21.1473552341036 2002 79.6934524775025 2003 87.8836149233088 2004 91.8740868863337 2005 89.4398793028617 2006 98.4089938918296 2007 95.7053664180535 2008 104.540151563113 2009 111.718633975473 2010 115.831108686943 2011 119.797366697913 2012 123.455019330366