Year	current US$
1986	14076500.946404373
1987	19851838.313926507
1988	19242793.21469456
1989	23268845.93969821
1990	38692809.11731324
1991	40227467.510643065
1992	48231188.80296392
1993	46923402.5886829
1994	53843020.60055439
1995	62010408.181853674
1996	65538494.43066558
1997	57572176.93869003
1998	63572664.479716375
1999	59811440.35864042
2000	49948220.819119185
2001	40524838.330605015
2002	46812182.04300336
2003	56966296.305765055
2004	59271957.06265809
2005	62743233.720568344
2006	64323427.87090495
2007	62135065.7117562
2008	77949316.23928447
2009	75681693.8221026
2010	81457021.97593433
2011	90649895.77478458
2012	88791842.86686328
2013	98123819.55520779
2014	105943842.61963402
2015	86476741.81356524
2016	94408647.35388614
2017	93865989.34320998
2018	100953395.65139668
2019	108509219.5223078
2020	94448585.40938108
2021	110506069.51401345
2022	107688445.01019019
2023	120106115.65582402