Year	constant 2011 international $
1993	6156362212.56618
1994	6210185853.15746
1995	6525356301.60909
1996	7405283790.21605
1997	8328109401.3311
1998	8761433501.86858
1999	8840059111.43178
2000	9479913264.74896
2001	10096940169.9565
2002	11050727649.2037
2003	12060568106.9815
2004	12995026985.3433
2005	14199801809.847
2006	15997297498.4809
2007	17432284461.1512
2008	16579190483.7035
2009	14050283145.9236
2010	13825568291.1479
2011	14336322236.0206
2012	14956164314.222
2013	15474964949.9147
2014	15962551078.3557
2015	16666913079.5299
2016	17392662375.7392
2017	17843193268.1861
2018	18673082027.8235