Year	constant 2015 US$
2009	2076.7270362578524
2010	2171.7370630319383
2011	2225.890080976586
2012	2304.7818737594403
2013	1973.3277840474377
2014	2052.674784395848
2015	2118.388471176208
2016	2116.6081813568508
2017	2153.366218179184
2018	2162.928712663749
2019	2341.877538284451
2020	2304.4942939868993
2021	1871.6141212491177
2022	1772.1022992379758
