Year	current US$
1995	4181754545.098886
1996	3975459674.326162
1997	4064635082.565015
1998	4137966048.8018694
1999	3795316873.1122007
2000	3691094188.709916
2001	3772784151.4638577
2002	4072750843.947689
2003	5231190011.051824
2004	6281136128.708843
2005	6430899956.9541445
2006	6828048596.7414665
2007	8207628336.994851
2008	9213617256.604628
2009	8194843984.718579
2010	7590445011.255199
2011	8489085052.568866
2012	7731582193.180022
2013	7484300788.2277155
2014	7538907495.260579
2015	6471635192.0045
2016	6743236177.033154
2017	7125319733.255309
2018	7543064222.783853
2019	7298060578.378427
2020	6951909702.194053
2021	8046537705.065385
2022	8410672887.788154
2023	8758478200.457823