Year	current US$
1995	28000000
1996	61000000
1997	40000000
1998	54000000
1999	92000000
2000	188000000
2001	272000000
2002	295000000
2003	339000000
2004	362000000
2005	346000000
2006	401000000
2007	479000000
2008	585000000
2009	563000000
2010	665000000
2011	747000000
2012	986000000
2013	1156000000
2014	1230000000
2015	1013000000
2016	1019000000
2017	1124500000
2018	1221000000
2019	1290000000
2020	542000000