Year	constant 2015 US$
1995	4431411491839.611
1996	4651409664328.747
1997	4783966150995.37
1998	4772469057277.081
1999	4983280701035.847
2000	5231966468002.743
2001	5428672704009.475
2002	5659221200071.538
2003	5814928597962.235
2004	6051677203258.065
2005	6346288668730.616
2006	6622122665897.749
2007	7006104227319.762
2008	7236548922291.095
2009	7452702146045.908
2010	7901188293602.923
2011	8400214339760.154
2012	8838973724315.621
2013	9293019455341.152
2014	9705164961415.385
2015	10162934520389.576
2016	10655541983877.893
2017	11257833223327.436
2018	11837227103920.445
2019	12296653950552.393
2020	11873522090786.842
2021	12728183400041.006
2022	13155392599268.555