Year	current US$
1982	17088064.19
1983	12026044.85
1984	14647955.89
1985	15122900.96
1986	13905146.6
1987	17753858.57
1988	16217096.33
1989	15611820.22
1990	12392464.4335746
1991	12985765.7250027
1992	12784758.0257862
1993	9229367.62037977
1994	10734383.4973392
1995	11454298.8001053
1996	33633049.6175371
1997	30329271.5887659
1998	14112241.2637959
1999	14604007.6937463
2000	17194271.8833603
2001	16109883.7861794
2002	2148163.9312906
2003	2719771.82586229
2004	2979821.69576734
2005	3001021.45533949
2006	3138417.38298658
2007	2625059.27753149
2008	2549130.44198924
2009	2694966.43273915
2010	3076580.16847309
2011	3534769.46019646
2012	2382241.23181849
2013	2444150.9776013
2014	3714947.69399033
2015	3331006.95081481
2016	4552015.08131006
2017	4852129.67479857
2018	10171324.3748898
2019	15540295.8405966
2020	8472849.50124731
2021	7823863.30458607
2022	19056859.0074263