Year	current US$
2006	229072517800.87
2007	264155565460.35
2008	291334465885.449
2009	271227687725.433
2010	240686953773.943
2011	225083420089.887
2012	200005151278.223
2013	195665949025.066
2014	196041905380.202
2015	162793415616.62
2016	160597581768.454
2017	167199402323.078
2018	177059665780.818
2019	173208375912.876
2020	157855083969.643
2021	182451850458.878