Year	constant 2015 US$
1994	93942811.34456421
1995	91784331.70682791
1996	96212528.271988
1997	90389507.74361011
1998	78605004.11544205
1999	82836154.33465332
2000	90950501.29624647
2001	103485676.92497519
2002	115188998.896251
2003	127068521.45321107
2004	131973250.30097017
2005	127349534.8809151
2006	119759072.42459083
2007	115293137.84515871
2008	124766233.02537394
2009	83122424.12863097
2010	68594007.45322838
2011	63667489.39484796
2012	65182041.70096444
2013	63769651.59062718
2014	56319673.38505119
2015	53107674.1822214
2016	56512990.85578028
2017	58914161.86625156
2018	41849975.26280753
2019	44682932.053241
2020	37786085.31399469
2021	40172071.26634223
2022	40651478.8262191
2023	40673627.44650016