Year	current US$
2006	6809999.886900179
2007	6780000.016093257
2008	7420000.042766331
2009	5900000.086054206
2010	8060000.002384187
2011	5439999.9752640715
2012	3730000.019073485
2013	6050000.004470345
2014	5729999.929666519
2015	5198280.639946461
2016	4717368.874698877
2017	4356927.063316105
2018	5259231.668896973
2019	4425410.743802788
2020	4336774.503346532
2021	5389949.18577373
2022	4922270.599752666