Year	current US$
1992	19999.9995529652
1993	959999.978542328
1994	1419999.95708466
1995	4989999.771118159
1996	2970000.02861023
1997	3160000.08583069
1998	1740000.0095367401
1999	5989999.771118159
2000	5400000.09536743
2001	3660000.08583069
2002	3079999.92370605
2003	2740000.00953674
2004	4039999.96185303
2005	6360000.1335144
2006	3109999.89509583
2007	2240000.00953674
2008	10600000.3814697
2009	5400000.09536743
2010	13420000.076293899
2011	4949999.80926514
2012	3940000.05722046
2013	4929999.82833862
2014	5829999.92370605
2015	6929999.82833862
2016	13409999.8474121
2017	13840000.1525879
2018	30200000.762939498
2019	19049999.237060502
2020	42770000.4577637
2021	20870000.8392334
2022	21409999.8474121