Year current US$ 1993 660000.026226044 1994 769999.980926514 1995 6880000.11444092 1996 4380000.11444092 1997 4639999.8664856 1998 11319999.6948242 1999 9300000.19073486 2000 11029999.7329712 2001 13850000.3814697 2002 10180000.3051758 2003 11460000.038146999 2004 7170000.07629395 2005 3140000.10490417 2006 1480000.01907349 2007 1110000.01430511 2008 779999.971389771 2009 560000.002384186 2010 910000.026226044 2011 310000.002384186 2012 59999.9986588955 2020 180000.00715255702 2021 189999.99761581398