Year	constant 2015 US$
2006	4656.2987118791625
2007	5198.398512497294
2008	5768.031800734883
2009	4935.670574751906
2010	5024.978514691025
2011	5042.948395663732
2012	4841.943696489166
2013	4914.060152170479
2014	5049.645599526097
2015	5159.126174375835
2016	5434.484145698093
2017	5647.704622231904
2018	5908.352001698937
2019	6091.2436680271785
2020	5815.0124021087195
2021	6070.9696741516
2022	6682.484926666625
2023	7052.6755674754695
