Year	current US$
1995	47000000
1996	349000000
1997	347000000
1998	396000000
1999	441000000
2000	471000000
2001	518000000
2002	530000000
2003	630000000
2004	644000000
2005	668000000
2006	712000000
2007	752000000
2008	856000000
2009	902000000
2010	1001000000
2011	1168000000
2012	1282000000
2013	1426000000
2014	1655000000
2015	1769000000
2016	2138000000
2017	2335000000
2018	2542000000
2019	2635000000
2020	1036000000