Year	constant 2015 US$
1982	10072293.830217805
1983	10753143.900626957
1984	2363886.9461072204
1985	3134768.4651072086
1986	2620813.4269497744
1987	1426008.3183831878
1988	3353110.0394108333
1989	2852118.713238701
1990	5100353.016201459
1991	4689291.062147837
1992	4567717.983608511
1993	4799125.346369763
1994	4875070.2417797195
1995	5151595.405308715
1996	5169458.787965626
1997	5230806.747833078
1998	5382696.53865299
1999	5764768.774566252
2000	5756296.42736326
2001	6127038.174848423
2002	5662590.225768716
2003	6012202.143482561
2004	6537691.823012744
2005	7396563.261157064
2006	6929563.400269226
2007	7091558.761849335
2008	6615269.941979905
2009	6987951.142439248
2010	7182100.592801799
2011	6514622.540267249
2012	6585871.917950245
2013	6470933.810112057
2014	6432042.674156152
2015	6579645.253138405
2016	6743273.838275718
2017	7046951.343443219
2018	7117384.1093476135
2019	7129561.100430857
2020	7315894.929702348
2021	7579611.310208219