Year	current US$
1996	2149999.98360872
1997	6760000.04261732
1998	8650000.15124679
1999	5690000.03673136
2000	7770000.00141561
2001	3890000.03784895
2002	5340000.06876886
2003	22979999.700561203
2004	23359999.878332
2005	18450000.1426786
2006	27619999.6192008
2007	27990000.0803173
2008	38619999.974966
2009	48030000.1688302
2010	29869999.5633215
2011	22749999.5268881
2012	14239999.9760091
2013	3389999.91491437
2014	4920000.02786517
2015	3079999.9702721797
2016	979999.987408519
2017	1399999.97615814
2018	1159999.99456108
2019	830000.003799796
2020	249999.992549419
2021	9379999.8909235
2022	2069999.933242796