Year current US$ 1991 1899999.97615814 1992 3019999.98092651 1993 3109999.89509583 1994 4909999.84741211 1995 5679999.82833862 1996 3500000 1997 6630000.11444092 1998 2180000.0667572 1999 1860000.01430511 2000 1000000 2001 1120000.00476837 2002 939999.997615814 2003 2069999.9332428002 2004 649999.976158142 2005 280000.001192093 2006 490000.009536743 2007 419999.986886978 2008 810000.002384186 2009 600000.023841858 2010 1090000.0333786 2011 2779999.97138977 2012 300000.011920929 2013 -19999.9995529652 2017 209999.993443489