Year	constant 2010 US$
1990	604328848706.019
1991	554919659635.723
1992	507465610874.615
1993	482853359451.958
1994	465616343558.722
1995	462317506317.085
1996	459048803278.864
1997	458213366069.542
1998	465242605578.904
1999	481676490036.753
2000	496628262441.376
2001	501116549241.152
2002	511316597201.403
2003	520677209425.156
2004	537367657855.543
2005	551930350587.583
2006	576366974988.13
2007	597889978230.293
2008	619513770707.875
2009	627953388425.025
2010	629096187149.699
2011	634286299943.65
2012	655462546226.974
2013	670148956405.742
2014	676045975266.988
2015	674406682034.46
2016	696244451093.787
2017	719119430531.603
2018	733390475935.179