Year	current US$
1995	103000000
1996	107000000
1997	103000000
1998	111000000
1999	107000000
2000	53000000
2001	58000000
2002	56000000
2003	76000000
2004	91000000
2005	93000000
2006	104000000
2007	115000000
2008	129000000
2009	164000000
2010	213000000
2011	186000000
2012	172500000
2013	191000000
2014	195000000
2015	214000000
2016	477000000
2017	509000000
2018	551000000
2019	550500000
2020	199300003.05175802