Year	current US$
1995	106000000
1996	102000000
1997	110000000
1998	136000000
1999	137000000
2000	152000000
2001	149000000
2002	109000000
2003	119000000
2004	239000000
2005	275000000
2006	382000000
2007	395000000
2008	440000000
2009	328000000
2010	425000000
2011	507000000
2012	596000000
2013	609000000
2014	740000000
2015	696000000
2016	912000000
2017	849000000
2018	879000000
2019	951000000
2020	202000000