Year	constant 2010 US$
1995	1323258962.75041
1996	1789508023.91192
1997	1865171068.67428
1998	2660530336.24817
1999	2774957960.42115
2000	3404392007.68884
2001	4069764312.57747
2002	3931267922.76066
2003	4333915472.68308
2004	5584486047.99992
2005	6720948185.43773
2006	7739001478.78701
2007	9477721798.07427
2008	8612201144.92937
2009	5741717746.17515
2010	4606737639.7039
2011	5713888939.49996
2012	6535559223.32216
2013	6141362825.8552
2014	6144945394.00942
2015	6115156439.13895
2016	5603902110.52886
2017	6337932579.23063
2018	7376991244.45638