Year	current US$
1995	247000000
1996	258000000
1997	278000000
1998	282000000
1999	290000000
2000	291000000
2001	272000000
2002	274000000
2003	300000000
2004	337000000
2005	309000000
2006	327000000
2007	338000000
2008	334000000
2009	305000000
2010	298000000
2011	312000000
2012	319000000
2013	299000000
2014	708000000
2015	710000000
2016	753000000
2017	737000000
2018	775000000
2019	909000000
2020	386000000