Year current US$ 1991 259999.990463257 1992 730000.019073486 1993 239999.994635582 1994 389999.98569488496 1995 200000.00298023198 1996 330000.013113022 1997 349999.99403953605 1998 300000.011920929 1999 330000.013113022 2000 379999.99523162795 2001 469999.998807907 2002 469999.998807907 2003 370000.00476837205 2004 409999.99642372096 2005 239999.994635582 2006 200000.00298023198 2007 129999.995231628 2008 230000.004172325 2009 140000.000596046