Year	constant 2015 US$
2006	1094.837521260171
2007	1127.1810126692758
2008	859.943942808039
2009	751.8930279380745
2010	845.805103557537
2011	907.6604316247505
2012	945.0032601609504
2013	973.4786132806697
2014	1001.2944770220839
2015	1071.800249741184
2016	1082.7079510010296
2017	1011.6656112275806
2018	959.7857574670036
2019	846.6078413768615
2020	845.931188161787
2021	871.415394252448
2022	868.5925221722164