Year	constant 2011 international $
1990	8186468610.82645
1991	8854943911.49017
1992	9491556164.55653
1993	9341633300.18524
1994	9503232326.73041
1995	9873764685.18459
1996	10188868535.8624
1997	10618849022.8793
1998	10968377525.4332
1999	11337932698.4096
2000	11733874105.3228
2001	11872093115.6268
2002	12440607441.282
2003	12968063615.5021
2004	14559186404.9011
2005	14927426480.0676
2006	15983269512.0843
2007	16842217483.7141
2008	17288504578.0913
2009	17339673520.6131
2010	18386859674.9856
2011	19322996884.943
2012	20301065542.6926
2013	21440913469.1581
2014	22802771244.7122
2015	24190633667.0359
2016	24462335333.2088
2017	24250032324.7213
2018	24231923170.4385