Year	constant 2015 US$
1997	739166674.2277471
1998	595278814.0795028
1999	694026756.7445565
2000	662892562.8215178
2001	702755328.2429066
2002	670650955.2065041
2003	614105063.8698562
2004	733540730.3678118
2005	747192265.472792
2006	808355867.2074299
2007	794010597.8748176
2008	884690152.7023982
2009	833969934.6447948
2010	891046996.2538564
2011	918475602.990633
2012	889351702.29767
2013	887165055.225981
2014	908551190.8437865
2015	1029106836.1099987
2016	1087838759.2391653
2017	1137483046.327651
2018	1146140454.7876508
2019	1136674058.1645262
2020	1093576128.7998066
2021	1268547294.542877
2022	1317971215.1094825
2023	1322411249.0412874