Year	current US$
2009	41569999.6948242
2010	37560001.373291
2011	38980001.0696054
2012	37576196.0032396
2013	43455325.0670433
2014	32724078.668106798
2015	61608354.3077111
2016	35731506.6154115
2017	37128139.3039972
2018	40464293.8673496
2019	44648553.9432615
2020	43273259.5801353
2021	45025799.199938804
2022	12051822.535693651