Year	current US$
2006	719541257.3311294
2007	1897283517.2392497
2008	4022562930.8094387
2009	2710707616.887656
2010	3428722057.4114094
2011	4798672877.191583
2012	3826112525.9011083
2013	4233005854.647097
2014	4380435223.108485
2015	2352906758.621004
2016	2080034290.5964537
2017	3141807961.4161034
2018	3348924046.969078
2019	2369858168.206167
2020	624226435.1093804
2021	688639992.7289866
2022	690894220.6575799
2023	717554741.2313259