Year	current US$
1994	155000000
1995	262000000
1996	243000000
1997	181000000
1998	176000000
1999	191000000
2000	311000000
2001	345000000
2002	353000000
2003	325000000
2004	552000000
2005	622000000
2006	693000000
2007	1018000000
2008	1474000000
2009	1155000000
2010	1326000000
2011	1416000000
2012	1538000000
2013	1579000000
2014	2183000000
2015	2574000000
2016	3732000000
2017	6345000000
2018	7501000000
2019	8008000000
2020	7915000000
2021	9419000000
2022	10940000000