Year current US$ 1993 3019999.98092651 1994 1850000.02384186 1995 2059999.94277954 1996 1610000.01430511 1997 5280000.20980835 1998 4829999.92370605 1999 3650000.09536743 2000 4130000.11444092 2001 2190000.05722046 2002 3599999.90463257 2003 3369999.8855590797 2004 4550000.19073486 2005 5840000.15258789 2006 6210000.03814697 2007 3390000.10490417 2008 8270000.45776367 2009 9020000.45776367 2010 5239999.771118159 2011 5630000.11444092 2012 4800000.19073486 2013 6349999.90463257 2014 8199999.80926514 2015 4780000.20980835 2016 6099999.90463257 2017 4739999.771118159 2018 5550000.19073486 2019 5570000.17166138 2020 5550000.19073486 2021 7809999.94277954 2022 7630000.11444092