Year	current US$
1995	92000000
1996	100000000
1997	129000000
1998	137000000
1999	124000000
2000	101000000
2001	119000000
2002	143000000
2003	243000000
2004	283000000
2005	345000000
2006	330000000
2007	326000000
2008	302000000
2009	306000000
2010	339000000
2011	499000000
2012	631000000
2013	639000000
2014	746000000
2015	810000000
2016	827000000
2017	928000000
2018	948000000
2019	977000000
2020	243000000