Year	current US$
1993	25000000
1994	14930000.3051758
1995	16399999.618530298
1996	28049999.237060502
1997	12739999.7711182
1998	24590000.1525879
1999	30270000.4577637
2000	18610000.6103516
2001	57270000.4577637
2002	8890000.34332275
2003	10340000.1525879
2004	16409999.847412098
2005	25000000
2006	3529999.97138977
2007	1789999.96185303
2008	2029999.97138977
2009	829999.983310699
2010	150000.005960464
2011	1899999.97615814
2012	529999.971389771
2013	1940000.0572204601
2014	970000.028610229
2015	670000.016689301
2016	430000.00715255697
2017	1309999.9427795399
2018	509999.99046325695
2019	1899999.97615814
2020	980000.019073486
2021	1629999.99523163
2022	5000000