Year	current US$
1996	17099999.738857143
1997	36149999.96311969
1998	58109999.96028834
1999	77409999.29979438
2000	89279998.30245975
2001	73830000.37260354
2002	87739998.58833855
2003	182979996.06840318
2004	77070000.71927908
2005	92150002.28583813
2006	80559999.6801465
2007	104690002.2290647
2008	135479998.51405624
2009	116749999.74109232
2010	80970000.54456294
2011	80010001.64635478
2012	52130001.533776514
2013	7829999.951645732
2014	8319999.927654864
2015	6390000.032261018
2016	9349999.547004702
2017	14370000.30837955
2018	9100000.035017733
2019	6989999.916404486
2020	4000000
2021	7010000.014677645
2022	4289999.995380644