Year % change from 1990 1991 4.88498130835069E-13 1992 0 1993 -4.9960036108132E-13 1994 0 1995 4.88498130835069E-13 1996 4.88498130835069E-13 1997 0 1998 23516.4000000001 1999 32113.1000000002 2000 25035.1500000001 2001 26862.5500000001 2002 19916.0000000001 2003 45119.5500000002 2004 25545.7000000001 2005 17724.3000000001 2006 40700.6500000002 2007 21849.8000000001 2008 17324.3500000001 2009 13721.4500000001 2010 24223.4500000001 2011 24223.4500000001 2012 24223.4500000001