Year	constant 2011 international $
1990	34037594427.2075
1991	32062449085.0438
1992	31456877324.1633
1993	29009735822.0441
1994	29450778846.6158
1995	30422128955.7568
1996	31730093281.4352
1997	33343212953.785
1998	35281236393.9914
1999	36877417396.3346
2000	37430714720.1743
2001	38741228844.3614
2002	40761328585.3319
2003	43663936516.4117
2004	47208333815.698
2005	47953237111.7414
2006	50332466660.4652
2007	52299443269.0782
2008	54491353033.4556
2009	56336043224.3845
2010	57926187635.4831
2011	60296571265.6458
2012	62710220885.3068
2013	65829268819.6193
2014	70494477468.4208
2015	74047910478.1247
2016	77252539324.5087
2017	79833833063.1124
2018	82989861661.0367