Year	current US$
2009	21399999.6185303
2010	16739999.7711182
2011	12739999.7711182
2012	11279999.7329712
2013	12539999.961853001
2014	13279999.7329712
2015	7360000.1335144
2016	8670000.07629395
2017	8100000.38146973
2018	8500000
2019	12279999.7329712
2020	10510000.2288818
2021	11090000.1525879
2022	7900000.09536743