Year	current US$
1991	29999.999329447703
1992	19999.9995529652
1993	509999.99046325695
1994	680000.007152557
1995	1110000.01430511
1996	2349999.90463257
1997	1700000.04768372
1998	1509999.9904632599
1999	1399999.97615814
2000	1440000.0572204601
2001	1509999.9904632599
2002	2180000.0667572
2003	1409999.9666214
2004	1429999.94754791
2005	1519999.98092651
2006	1980000.01907349
2007	2960000.03814697
2008	1740000.0095367401
2009	7650000.09536743
2010	6639999.8664856
2011	7420000.07629395
2012	13539999.961853001
2013	14920000.076293899
2014	13850000.3814697
2015	10409999.8474121
2016	5849999.90463257
2017	8050000.19073486
2018	7039999.96185303
2019	6190000.05722046
2020	5239999.771118159
2021	4789999.96185303
2022	5599999.90463257