Year	current US$
1992	0.6248437750863897
1993	0.6105005968548584
1994	12038.759653527013
1995	8270.091656936429
1996	3554.026644358431
1997	2097.6116886984314
1998	4727.350028993316
1999	1488.132102816713
2000	1983.676420364757
2001	1728.868205532424
2002	1584.8067646200543
2003	1299.295770810166
2004	993.6203690483499
2005	1193.5858038572892
2006	1905.8055655052958
2007	1157.1826834355106
2008	2213.9043511426707
2009	1854.8814495349675
2010	1551.2405732945954
2011	1344.2982707107292
2012	861.4733109409896
2013	1989.3287373740689
2014	1319.3975917192795
2015	782.8481682126447
2016	999.1018880253987
2017	1241.80072986098
2018	4732.422800913978
2019	1392.6100001640712
2020	3685.733244144753
2021	2743.0092447131046
2022	3083.3563095511104