Year	current US$
1993	5154000
1994	411926000
1995	770657000
1996	924389982.042
1997	957881012.794
1998	840065110.3552552
1999	691744954.3324916
2000	958636778.2794389
2001	1862731637.4882739
2002	2504632244.3541965
2003	3748080061.014615
2004	6992884905.461073
2005	10957257563.044405
2006	17675955175.823875
2007	27869276341.11888
2008	38770288644.61623
2009	28839860306.831078
2010	29862810174.827927
2011	35814723475.0751
2012	42831468469.73518
2013	50209692238.001686
2014	46893654803.713264
2015	31491242906.37977
2016	27577799404.66506
2017	34776832482.34034
2018	38094429429.240585
2019	38856093819.796776
2020	33094435240.42761
2021	36227368855.99652
2022	29820915562.220104