Year	constant 2015 US$
1989	661467608.2209191
1990	641473817.6327007
1991	722244848.060709
1992	1437968180.4611628
1993	1679926785.2412384
1994	1680673907.3256288
1995	2503183049.3955317
1996	3405733883.390426
1997	4327595388.547526
1998	4548302753.338697
1999	4793911102.053802
2000	4870613679.693082
2001	5688876777.85189
2002	6399986375.392017
2003	6854385407.896086
2004	8501345243.763887
2005	8900888745.013367
2006	8609278696.283854
2007	9611707045.00417
2008	10404208773.628956
2009	11404244037.01241
2010	12529239758.933292
2011	12855742812.343502
2012	10938319887.111198
2013	11308860757.510109
2014	10510496640.859436
2015	11553482873.631842
2016	11389072915.06319
2017	11835902995.235676
2018	11281307043.418043
2019	11178911202.360168
2020	5170958969.716986
2021	5847509629.881541
2022	5865051606.302014
2023	6029273221.648852