Year	constant 2015 US$
2000	332794797.5465678
2001	333772821.26364297
2002	324970607.8099667
2003	307721825.8906415
2004	308966583.3487371
2005	308255293.37268245
2006	298030499.9668969
2007	285049457.9038996
2008	236681739.53218365
2009	225923478.64435712
2010	234636780.85102654
2011	236592828.2851768
2012	228946461.04258937
2013	240149278.16545004
2014	225656744.9033366
2015	210275099.1711549
2016	206185181.80884066
2017	195515832.16802096
2018	191959382.28774774
2019	190447891.08863163
2020	197738613.34319177
2021	192759583.51080924
2022	162351937.0344731
2023	157995285.93113837