Year	current US$
1995	55000000
1996	61000000
1997	64000000
1998	69000000
1999	87000000
2000	68000000
2001	76000000
2002	100000000
2003	166000000
2004	192000000
2005	239000000
2006	244000000
2007	292000000
2008	275000000
2009	279000000
2010	310000000
2011	380000000
2012	594000000
2013	574000000
2014	664000000
2015	699000000
2016	713000000
2017	803000000
2018	815000000
2019	837000000
2020	191000000