Year	constant 2015 US$
1990	88367756.3559399
1991	71054874.8144516
1992	75662398.94899656
1993	49760570.668503195
1994	53328469.06734574
1995	74862531.72648843
1996	98507775.07901181
1997	122997491.3024226
1998	128317671.57608353
1999	182868916.47990867
2000	182868916.47990867
2001	197668736.72793046
2002	214780460.57989395
2003	231034049.97070798
2004	247818862.1355493
2005	254670019.42778984
2006	290141036.26230264
2007	303416797.9790703
2008	307282258.8063206
2009	371354651.01776767
2010	399389249.38725805
2011	413690712.380886
2012	410566910.6962988
2013	369066076.3090211
2014	377806927.5302286
2015	418615529.4062484
2016	436254101.6789104
2017	455359497.8978202
2018	471994801.55088955
2019	517884705.9685731
2020	540977967.748383
2021	575433419.4008759
2022	562071016.4049803