Year	constant 2010 US$
1989	5796777104.80001
1990	5675473126.23743
1991	5520846437.76601
1992	5243354172.17469
1993	5206300117.17957
1994	5425110587.76824
1995	5684139247.73445
1996	6051051435.6107
1997	6228426870.53764
1998	6788441540.27955
1999	7237321789.20561
2000	7419588920.21385
2001	7500418171.25558
2002	7706374554.69288
2003	7519597836.26571
2004	7382361626.54154
2005	7923976066.13585
2006	8143656070.54557
2007	8226517419.62176
2008	8061806130.99338
2009	7432356805.58102
2010	7491000000
2011	7455851199.29445
2012	7625201981.15217
2013	7502413153.3442
2014	7721536418.5664
2015	7849428688.92666
2016	7660295107.93898
2017	8282302686.21146