Year	current US$
1996	4679999.912157655
1997	6420000.042766331
1998	8980000.125244265
1999	6780000.034719709
2000	8589999.977499252
2001	5980000.033974646
2002	6120000.002905725
2003	19800000.00447035
2004	24290000.086650252
2005	23769999.697804444
2006	23259999.677538868
2007	34449999.81671572
2008	48559999.68200922
2009	51329999.96468428
2010	35059999.33369458
2011	28579999.450594187
2012	18099999.943748113
2013	4409999.899566173
2014	5800000.041723247
2015	3669999.9794363957
2016	9039999.529719355
2017	13950000.284239668
2018	7729999.991133809
2019	5529999.949038026
2020	4279999.991878867
2021	23779999.818652876
2022	16769999.61584807