Year	current US$
1995	681000000
1996	710000000
1997	742000000
1998	914000000
1999	1098000000
2000	1454000000
2001	1314000000
2002	1298000000
2003	1442000000
2004	1628000000
2005	1869000000
2006	1908000000
2007	2259000000
2008	2561000000
2009	2030000000
2010	2246000000
2011	2423000000
2012	2529000000
2013	2928000000
2014	2996000000
2015	3266000000
2016	3648000000
2017	3656000000
2018	3769000000
2019	4008000000
2020	1356000000