Year	current US$
2006	6989999.897778027
2007	6590000.029653313
2008	6940000.027418137
2009	5480000.078678131
2010	7420000.0166893015
2011	4489999.987185001
2012	3369999.9973177887
2013	5670000.0241398765
2014	5069999.933242799
2015	3960477.001965048
2016	3855224.344879389
2017	3478480.4098308054
2018	4422031.146474183
2019	3350155.7819545283
2020	3669460.5476222923
2021	4480033.798143267
2022	4208007.90935755