Year	current US$
2006	8659999.974071981
2007	9510000.089183452
2008	10689999.992027879
2009	9800000.131130219
2010	12530000.06079674
2011	7810000.032186506
2012	8069999.974220992
2013	10540000.027045604
2014	9780000.02913177
2015	8109450.852498412
2016	8450187.523849308
2017	10538699.154276397
2018	12256982.214748861
2019	11330785.166472197
2020	13061039.708554743
2021	12047835.728153588
2022	12959757.804870605