Year	current US$
1993	1214834653.0041919
1994	1101981615.4309824
1995	1232315265.72094
1996	942930287.6480541
1997	832584073.8494806
1998	1407033381.6191857
1999	1156625264.9879787
2000	799677062.0108368
2001	1157166789.1975017
2002	1254641003.1644642
2003	1570713573.3807805
2004	2227612516.108356
2005	2654395044.2907214
2006	3199452584.3982916
2007	5431021736.345539
2008	7607896290.142755
2009	7036677458.319534
2010	8243999098.417502
2011	10021793061.143126
2012	11525235409.189425
2013	13079922833.329102
2014	13097057720.938269
2015	10544664331.376478
2016	9228547636.291704
2017	9175984491.695772
2018	9698436830.860855
2019	10192146850.16852
2020	9975506547.120687
2021	11272985316.809402
2022	14274501805.127787