Year	current US$
1995	355708642.327439
1996	324725099.540582
1997	381434691.50738
1998	402019564.026141
1999	402319731.783982
2000	395296075.492453
2001	424107562.257219
2002	463133046.405049
2003	542613071.153958
2004	639363007.568468
2005	734163178.111611
2006	883997986.692818
2007	1217381044.08518
2008	1619748011.7632
2009	1273438918.8128
2010	1054060487.79506
2011	1222147925.51723
2012	1623660824.48733
2013	1846817080.32108
2014	1360141892.67723
2015	1215103805.56488
2016	1186281692.10675
2017	1179426170.07704
2018	1235090745.025
2019	1290122502.26979
2020	1318639253.96367
2021	1491156611.68178