Year	constant 2011 international $
1990	19016407961.245
1991	17937579118.9965
1992	16436575497.0311
1993	15286552729.7433
1994	15120094827.3087
1995	15013381144.1936
1996	15150960524.9407
1997	15328085128.3939
1998	15842035155.7088
1999	16450291275.4626
2000	17210791782.8058
2001	16867186073.5888
2002	17051330475.0743
2003	17417592212.1411
2004	18339068628.1762
2005	18986850171.3647
2006	20235948342.658
2007	20623011713.5036
2008	22547782156.7589
2009	22575189878.8395
2010	23174787501.9238
2011	23634734318.6632
2012	23430191933.2913
2013	24059142583.8905
2014	25051206733.8479
2015	25655436542.9532
2016	26118045147.7647
2017	26171636923.6154
2018	26815554054.8203