Year	current US$
2006	11890000.008046629
2007	13990000.048652295
2008	13660000.020638108
2009	12910000.160336493
2010	15940000.1000613
2011	10749999.979510901
2012	9759999.940171838
2013	13790000.00841915
2014	14030000.006780028
2015	11433544.045314195
2016	11919199.183583261
2017	13921699.960250404
2018	17696462.840773173
2019	15987986.13250256
2020	17019261.52175292
2021	15582704.041153193
2022	18795917.391777035