Year	current US$
1995	957113913.8165184
1996	961058064.5602678
1997	947910895.4144366
1998	939490367.1556789
1999	1057542141.6210119
2000	976247923.1852323
2001	913301649.7118919
2002	831099526.7956463
2003	1260142376.9601777
2004	1645527534.6171944
2005	2235788596.120578
2006	2974579304.7700825
2007	3474462994.8768845
2008	3961442570.2247725
2009	3633292142.340243
2010	4118249151.2820263
2011	4954889205.309159
2012	5009306185.343385
2013	5022086306.180161
2014	5564364374.4647255
2015	5440605647.723339
2016	4633904217.474112
2017	4990128660.695113
2018	5339286588.978732
2019	5184273730.742527