Year	current US$
1993	1147636258.9810338
1994	1271713973.4412446
1995	1642300282.9688263
1996	1559184907.8089666
1997	1530501272.2058175
1998	1387963983.0670927
1999	1438687692.3481462
2000	1312480807.939803
2001	1367320939.6279306
2002	1333577089.1498597
2003	1489279832.7720532
2004	1568776255.0357294
2005	1932598100.207697
2006	2186653404.423323
2007	2565554316.0154862
2008	3390361392.60922
2009	3483654792.6786647
2010	3808509484.234372
2011	4433544820.992978
2012	4710993654.847508
2013	4811293388.043951
2014	4822261473.684211
2015	4797742832.524122
2016	4952676750.0580635
2017	5180913515.233075
2018	5408969280.431275
2019	5610719433.982013
2020	5872192460.482232
2021	6159928462.056435
2022	6558983511.260201
2023	6827428537.221909