Year	current US$
1985	259999.990463257
1986	239999.994635582
1987	100000.00149011599
1988	109999.999403954
1989	9279999.73297119
1990	10319999.6948242
1991	13090000.1525879
1992	12359999.6566772
1993	11020000.4577637
1994	11399999.6185303
1995	10789999.961853001
1996	16600000.381469702
1997	11819999.6948242
1998	10970000.2670288
1999	5349999.90463257
2000	7159999.84741211
2001	3710000.03814697
2002	3410000.08583069
2003	3809999.94277954
2004	2720000.02861023
2005	1629999.99523163
2006	1700000.04768372
2007	1669999.95708466
2008	10279999.7329712
2009	-6730000.01907349
2010	-2980000.01907349
2011	2329999.92370605
2012	2259999.99046326
2013	1980000.01907349
2014	1490000.0095367401
2015	1409999.9666214
2016	629999.995231628
2017	589999.973773956
2018	639999.985694885
2019	699999.988079071
2020	689999.997615814
2021	479999.989271164
2022	59999.9986588955