Year	constant 2011 international $
1990	5300638900103.3
1991	5011017453035.68
1992	4456837347126.17
1993	4176350279157.56
1994	3717815072862.57
1995	3643452854209.95
1996	3621971218523.19
1997	3707663807212.82
1998	3639034230992.03
1999	3727407506434.19
2000	4027900719601.95
2001	4159673924582.11
2002	4385091600055.42
2003	4680571788041.11
2004	5072016306556.22
2005	5431782134718.05
2006	5885662334395.86
2007	6351599673129.41
2008	6647941528863.65
2009	6253337700675.38
2010	6560237046354.14
2011	6934953332019.22
2012	7185040475897.73
2013	7454157447415.57
2014	7602760348720.1
2015	7633821304112.4
2016	7759281617660.26
2017	8049761351658.22
2018	8275558854733.59