Year	current US$
2006	7049999.89643693
2007	6610000.029206281
2008	7000000.02607703
2009	5600000.07599592
2010	7550000.01192093
2011	4879999.97287989
2012	3469999.9988079104
2013	5880000.01758337
2014	5229999.92966652
2015	4276394.9111104
2016	3943587.05356717
2017	3652959.0450227302
2018	4788694.66204196
2019	3598060.9916150603
2020	3707861.17529497
2021	4716761.92991436
2022	4471123.225986959