Year	constant 2015 US$
2000	8438965866.5059
2001	9595104189.380777
2002	10324332108.624521
2003	11139954342.973936
2004	12265089733.330284
2005	13135911104.528955
2006	14173648081.786743
2007	15250845336.68088
2008	14793319975.703777
2009	14379107015.95867
2010	16334665570.565947
2011	17559765487.9991
2012	18086558452.667816
2013	18611068647.40715
2014	18908845746.30604
2015	18946663437.91075
2016	19287703378.718143
2017	20464253286.13927
2018	21385144683.01671
2019	22625483074.907616
2020	23530502398.536274
2021	24636436010.035824
2022	25523339031.037827
2023	26569795931.310375