Year current US$ 1993 379999.99523162795 1994 1299999.95231628 1995 6420000.07629395 1996 6650000.09536743 1997 7159999.84741211 1998 5699999.80926514 1999 7019999.98092651 2000 6019999.98092651 2001 4989999.771118159 2002 5739999.771118159 2003 10279999.7329712 2004 7719999.79019165 2005 4780000.20980835 2006 3160000.08583069 2007 2250000 2008 2369999.8855590797 2009 2880000.1144409203 2010 3500000 2011 5030000.20980835 2012 6829999.92370605 2013 5659999.84741211 2014 2440000.05722046 2015 2000000 2016 1139999.98569489 2017 2670000.07629395 2018 3319999.9332428 2019 2329999.92370605 2020 20200000.762939498 2021 1470000.02861023 2022 1419999.95708466