Year	current US$
2005	37379999.82386828
2006	44240000.43980782
2007	39959999.57807363
2008	44919999.95335936
2009	48839999.800547965
2010	38920000.08560717
2011	31830000.02987682
2012	28260000.29779972
2013	28469999.94665386
2014	23760000.152513377
2015	26260000.14133751
2016	26960000.095888965
2017	31230000.35248696
2018	34510000.04447997
2019	58220000.75131656
2020	34549999.70085918
2021	43299999.557435505
2022	55910000.32238661