Year current US$ 1983 379999.99523162795 1984 720000.028610229 1985 889999.985694885 1986 4929999.82833862 1987 5539999.96185303 1988 2339999.91416931 1989 860000.014305115 1990 7170000.07629395 1991 1590000.0333786 1992 -129999.995231628 1994 -19999.9995529652 1995 -70000.0002980232 1996 -1269999.98092651 1997 -3799999.95231628 1998 -769999.980926514 1999 -449999.988079071 2000 -889999.985694885 2001 349999.99403953605 2002 -540000.021457672 2003 1429999.94754791 2004 2029999.97138977 2005 2250000 2006 2970000.02861023 2007 4150000.09536743 2008 2690000.05722046 2009 2460000.03814697 2010 3109999.89509583 2011 1600000.02384186 2012 4679999.82833862 2013 5570000.17166138 2014 7000000 2015 5366031.64672852 2016 5553721.90475464 2017 6217556.47659302 2018 5618309.97467041 2019 5822579.8606872605 2020 11229435.9207153 2021 4739999.771118159 2022 8897689.81933594