Year current US$ 1990 2190000.01251698 1991 3020000.0181794204 1992 3550000.00447035 1993 6429999.98480082 1994 8279999.975115061 1995 7929999.97921288 1996 12330000.2012402 1997 10150000.1307577 1998 14570000.1548976 1999 21450000.4835427 2000 17170000.2029538 2001 14670000.0241399 2002 15970000.021159599 2003 23759999.955073 2004 20629999.825730897 2005 23840000.405907597 2006 27519999.9809265 2007 34710000.6695837 2008 41459999.285638295 2009 38589999.8806417 2010 31149999.9277294 2011 33509999.6123463 2012 31420000.5345047 2013 34800000.4887581 2014 30189999.749884 2015 21240000.2405047 2016 24629999.682307202 2017 23200000.189244702 2018 29299999.4512647 2019 16999999.7168779 2020 12739999.7785687 2021 11919999.9999255 2022 7739999.823272229