Year	current US$
2005	45079998.0163574
2006	52090000.1525879
2007	45389999.3896484
2008	56520000.4577637
2009	66659996.0327148
2010	53250000
2011	43770000.4577637
2012	40000000
2013	37849998.4741211
2014	33020000.4577637
2015	37319999.6948242
2016	36590000.1525879
2017	41790000.9155273
2018	44909999.8474121
2019	68879997.253418
2020	44989997.8637695
2021	58069999.6948242
2022	67110000.5544722