Year current US$ 1993 6860000.1335144 1994 4409999.84741211 1995 5699999.80926514 1996 4340000.15258789 1997 1639999.98569489 1998 519999.980926514 1999 319999.99284744303 2000 2319999.9332428 2001 2519999.98092651 2002 2289999.96185303 2003 1250000 2004 1210000.03814697 2005 759999.990463257 2006 629999.995231628 2007 1100000.02384186 2008 990000.009536743 2009 610000.014305115 2010 550000.011920929 2018 821174.740791321 2019 885916.590690613 2020 1469324.35035706 2021 177949.994802475