Year	current US$
1991	4132742744.3634176
1992	5336101131.43339
1993	5802768012.339259
1994	6166406945.473675
1995	7109325968.626285
1996	6852863507.694565
1997	6449591303.994021
1998	6684839719.088048
1999	6971209272.945167
2000	6968245710.527211
2001	7298203237.488546
2002	8917011455.294336
2003	11982138741.285927
2004	14988325282.200666
2005	15641080756.078312
2006	15231693521.555208
2007	19602555849.994934
2008	22681425549.33291
2009	19633283697.824028
2010	19968388950.559612
2011	21153624630.076347
2012	20378192318.371094
2013	21099148394.018642
2014	21865681673.24679
2015	19709299848.746567
2016	19509235468.93688
2017	21738452568.929943
2018	24960225008.789375
2019	25483853987.476776
2020	24539424669.09812
2021	28000543201.867153
2022	26564950851.57065
2023	28530475376.79431