Year	constant 2015 US$
1992	6155097758.015284
1993	5394019723.847051
1994	5141149372.0108595
1995	4527682160.47407
1996	4261452273.7265115
1997	4374968286.661478
1998	4470701728.388667
1999	5135779522.070898
2000	5459818232.852785
2001	6113689918.751439
2002	6481191911.071252
2003	6968720869.876612
2004	7542239376.599644
2005	8039237311.710686
2006	9469581852.078833
2007	10696502277.316168
2008	12186893055.8639
2009	13250591991.533648
2010	14471992789.98321
2011	15488078925.538832
2012	16886001397.641674
2013	18435555430.85871
2014	20117788794.785614
2015	21228346887.06611
2016	21467005235.763664
2017	22428386427.493725
2018	23592140776.809387
2019	25039315755.563988
2020	24060602722.95321
2021	26463706736.220795
2022	30132149076.167816
2023	30071691861.516106