Year	current US$
2008	7680000.023916362
2009	5459999.943152065
2010	4509999.997913832
2011	6110000.127926467
2012	6960000.06422401
2013	7010000.033304099
2014	6439999.9473244
2015	6210000.038146973
2016	7420000.040903683
2017	8359999.9435246
2018	11209999.978542326
2019	11820000.031962994
2020	13050000.417977571
2021	15210000.27097762
2022	13749999.841675162