Year	constant 2015 US$
1995	27230388764.123417
1996	28526031318.253887
1997	30794591302.505836
1998	31262030192.839043
1999	32110282754.5699
2000	31930853439.410915
2001	33042182602.63787
2002	33798389974.96248
2003	34560630878.38631
2004	34652479684.01092
2005	36730671665.51521
2006	39006954968.99881
2007	43214056985.26366
2008	45767131579.084366
2009	45232463974.169525
2010	47766330680.82772
2011	48244803676.858185
2012	49335251807.48358
2013	50428714484.6328
2014	48812175283.73708
2015	50914606793.36286
2016	52674451788.72458
2017	54284876464.08005
2018	55391547892.192154
2019	56616616550.37575
2020	57004494490.34801
2021	59265935839.893715
2022	62882724851.240204
2023	61727772969.69255