Year	current US$
1995	1498000000
1996	1482000000
1997	1494000000
1998	1476000000
1999	1543000000
2000	1651000000
2001	1808000000
2002	2133000000
2003	2594000000
2004	2421000000
2005	2277000000
2006	1879000000
2007	2546000000
2008	3225000000
2009	2750000000
2010	2404000000
2011	2485000000
2012	1886000000
2013	1906000000
2014	2036000000
2015	1830000000
2016	2166000000
2017	2469000000
2018	2639000000
2019	2741000000
2020	1159000000