Year	current US$
1995	198511606.963488
1996	191373447.232935
1997	201708671.352911
1998	132881224.190738
1999	144363950.634223
2000	115965903.57973
2001	161941585.492552
2002	202176074.067156
2003	196198029.710394
2004	386676416.886773
2005	478637800.597655
2006	930833393.916797
2007	1361156503.59962
2008	1480157559.2564
2009	2110323626.28935
2010	2263794873.28055
2011	2818191101.12737
2012	2872949024.40383
2013	2823383516.08606
2014	2699169280.07028
2015	2520721328.46961
2016	2756383662.9152
2017	3038762324.25157
2018	3289463516.7195
2019	3505823162.30974
2020	3913274194.81288
2021	4270945063.01792
2022	4886343005.58234
2023	5002255638.46392