Year	constant 2010 US$
1995	2483128580.70103
1996	2590487751.55089
1997	2826692893.41694
1998	3214604896.83888
1999	3116291147.69802
2000	3502555699.5388
2001	3966793092.39368
2002	4172072790.76333
2003	4739518608.22212
2004	5332865665.00243
2005	5828389274.57559
2006	6390671690.84916
2007	6700425566.27557
2008	6852720339.8476
2009	5754051581.36663
2010	6268408109.38064
2011	6903157734.20358
2012	7248397443.85667
2013	7582472652.67072
2014	7915020800.08669
2015	8160767890.39039
2016	8416290954.93317
2017	8887559717.2264
2018	9255090814.903