Year	current US$
1994	194000000
1995	381000000
1996	658000000
1997	1022025932.2651633
1998	1124011006.6217036
1999	1295466214.9096167
2000	1218441300.8865397
2001	1280121565.1107676
2002	1286840345.1113238
2003	1749751115.4505775
2004	2288902820.480752
2005	2728982617.3983703
2006	3378094597.298906
2007	4276282415.0824037
2008	5131416810.71543
2009	4405139247.285479
2010	5100600105.638095
2011	5972861400.33278
2012	5572942366.690535
2013	6134185102.891889
2014	6307950241.797243
2015	5760366704.243626
2016	6146467330.905545
2017	7390002149.4185915
2018	8600140616.843243
2019	8201251111.851392
2020	6913561098.912619
2021	10078259875.689857
2022	11807523801.635647
2023	11939049957.356915