Year	constant 2015 US$
1992	11589658772.833593
1993	11254106570.296093
1994	10047241690.108984
1995	10408193971.251562
1996	11142094586.910156
1997	11160980715.334375
1998	11599439128.964453
1999	10758269697.527344
2000	11062054326.980467
2001	11451521089.41211
2002	11705689411.909374
2003	12410610660.377733
2004	11784710029.492577
2005	12485570460.781248
2006	13482914926.702732
2007	13509427846.737106
2008	14357036890.991402
2009	15216883862.42929
2010	15539409274.117964
2011	15173884690.353119
2012	14869176946.174994
2013	15089738123.215225
2014	15660042172.664055
2015	16490554732.78671
2016	16808597712.397259
2017	16986106460.742573
2018	17069855822.265621
2019	17843623455.110153
2020	17735560228.10195
2021	18478663143.67539
2022	17645860548.94648
2023	17532094425.680466