Year current US$ 1996 3279999.97138977 1997 2059999.94277954 1998 2660000.08583069 1999 6340000.15258789 2000 1940000.0572204601 2001 3910000.08583069 2002 5019999.98092651 2003 4820000.17166138 2004 3630000.1144409203