Year	US Dollars
1990	820830177.01817
1991	923263518.31393
1992	979370497.99879
1993	1033901090.82369
1994	1058523819.81961
1995	1095279028.25536
1996	1140726385.69059
1997	1203984611.91558
1998	1258930824.95863
1999	1352517685.29272
2000	1454578470.424
2001	1562871599.92468
2002	1516704089.09724
2003	1671342446.54506
2004	1859585873.88202
2005	1900723400.27964
2006	1976347560.71376
2007	2115539022.09265
2008	2294575390.51693
2009	2449524099.41291
2010	2640361965.26613
2011	2568312969.26981
2012	2771632725.28984
2013	2973323803.08044
2014	3043625805.23305
2015	3197191365.76169
2016	3319774547.7482
2017	3502262776.4792