Year	constant 2015 US$
2004	148177245.14007598
2005	155121576.30920398
2006	147254818.201065
2007	152425728.79791299
2008	131464579.58221397
2009	132649210.45303297
2010	132965723.276138
2011	138004181.38504
2012	140002517.700195
2013	150130887.26997402
2014	143565737.009048
2015	142505514.383316
2016	147429027.557373
2017	162041837.215424
2018	160702768.802643
2019	170920166.96929902
2020	165500706.672668
2021	159168517.112732
2022	165279903.17344698