Year	current US$
1995	106000000
1996	266000000
1997	277000000
1998	292000000
1999	341000000
2000	253000000
2001	219000000
2002	326000000
2003	471000000
2004	636000000
2005	743000000
2006	909000000
2007	1144000000
2008	1530000000
2009	1119000000
2010	849000000
2011	859000000
2012	925000000
2013	1069000000
2014	1059000000
2015	951000000
2016	1012000000
2017	1115000000
2018	1400000000
2019	1388000000
2020	438000000