Year	constant 2010 US$
2006	3748.79330830474
2007	3817.98386624432
2008	3792.04188136911
2009	3928.2967972678
2010	4071.11413391276
2011	4165.14625796907
2012	4184.21409212636
2013	4223.3721197312
2014	4301.24894466392
2015	4435.98223037673
2016	4560.15300891112
2017	4623.15743697124
2018	4732.20821316808