Year	current US$
2005	14369999.969378117
2006	13429999.992251404
2007	32349999.833852064
2008	20320000.045001507
2009	23099999.97168779
2010	23460000.105202198
2011	30969999.745488152
2012	26780382.854864012
2013	31433706.328272812
2014	26532112.17001082
2015	27231181.937269885
2016	24141214.555827912
2017	21145799.797261134
2018	7400607.350282374
2019	23996503.707021475
2022	2197310.0077593704