Year	constant 2015 US$
2010	14783.608086429029
2011	15345.35077549488
2012	14054.554394884992
2013	13265.37046065962
2014	14027.334444696513
2015	12866.350542111466
2016	12680.991671600448
2017	13477.681538850858
2018	12563.136108148454
2019	11066.73702528666
2020	12563.120624342328
2021	15274.082942408351
2022	15501.543025000106