Year	current US$
1982	6693410.397
1983	3482626.915
1984	3218930.006
1985	3174031.496
1986	4249210.358
1987	3644002.676
1988	5714240.074
1989	4753097.057
1990	5615348.61956013
1991	6777788.00994566
1992	5600901.60855162
1993	2227287.93709219
1994	5772692.63196806
1995	8074224.14046214
1996	8468021.76823698
1997	2851806.92908372
1998	2491875.87897028
1999	5725338.75782196
2000	6465012.21523775
2001	2255440.11694263
2002	1387110.84879854
2003	1577012.88425061
2004	1810704.70427531
2005	2111119.92826019
2006	11160985.1361472
2007	12106463.8426753
2008	13943460.8934904
2009	39104831.410831
2010	61708124.1205723
2011	66854110.3083468
2012	46602802.6528149
2013	44826768.5460551
2014	45891322.7949074
2015	55643035.7621919
2016	69187218.7297608
2017	54704347.2035118
2018	62632139.7324735
2019	83345358.4532868
2020	65712683.8748448
2021	55072692.2029838
2022	58922713.9087818
2023	56635707.4367509