Year	constant 2011 international $
1990	7127822363.85674
1991	7462556058.01041
1992	7514851262.91893
1993	8116624213.80905
1994	8245482942.93088
1995	8752043405.26434
1996	9139312105.59303
1997	9729600470.34669
1998	10201601666.6205
1999	10760764078.716
2000	11388466142.339
2001	11987919110.7531
2002	12495818332.5776
2003	12917597915.546
2004	13510503909.7585
2005	13806044880.961
2006	14319716211.7277
2007	15142731503.894
2008	15987626888.4716
2009	16308517379.4561
2010	16601649054.0301
2011	17192949487.5054
2012	17905645782.7194
2013	19203177233.3435
2014	20449148528.291
2015	20842900262.1537
2016	21753081813.5009
2017	22961840670.6257
2018	24515861477.0737