Year	current US$
1995	10095883218.120312
1996	9604879671.574179
1997	8935376263.571695
1998	8615210423.152311
1999	8246620052.781486
2000	7090702844.580407
2001	7091766560.081899
2002	7708292425.279229
2003	10118069083.06743
2004	10302174376.327053
2005	10619537147.716728
2006	8756882695.77881
2007	9686187938.798462
2008	9991246356.972654
2009	9293051711.787104
2010	8879082826.600018
2011	8811790824.017527
2012	8328394601.216018
2013	8081298113.950611
2014	8439133841.254088
2015	7562587427.714449
2016	6789814535.962663
2017	7706777619.738837
2018	7708863610.694112
2019	7817234528.235282
2020	7728120574.877842
2021	7892884992.38747
2022	8190897683.573962
2023	9016404979.247217