Year current US$ 1990 589999.9998509883 1991 2120000.0122189494 1992 2100000.0573694725 1993 2859999.9714642786 1994 3679999.9903887543 1995 5210000.164806845 1996 6410000.002011657 1997 7720000.125467779 1998 8000000.193715092 1999 8179999.921470877 2000 9790000.185370442 2001 6760000.139474871 2002 8590000.091120599 2003 10680000.3349781 2004 14139999.791979752 2005 22179999.15219839 2006 16679999.68118964 2007 18279999.859631084 2008 23460000.45537947 2009 20469999.790191684 2010 21530000.835657116 2011 18660000.0355393 2012 19459999.61160126 2013 20709999.60601327 2014 16860000.12606378 2015 17690000.265836734 2016 13489999.644458247 2017 12149999.81224536 2018 15749999.523162814 2019 18389999.167993665 2020 16250000.372529004 2021 24180000.111460693 2022 17109999.6753037