Year	current US$
2005	25210000.0716746
2006	32590000.368654698
2007	28129999.6841699
2008	32569999.6892363
2009	34039999.8072535
2010	27279999.922961
2011	22820000.0170618
2012	22550000.276416503
2013	21000000.0819564
2014	18790000.246837698
2015	20100000.096485
2016	19749999.9497086
2017	23339999.9886751
2018	28490000.071004
2019	51220000.6768107
2020	27869999.7086078
2021	28389999.8385459
2022	18280000.297352657