Year	current US$
1992	4500000
1993	6860000.1335144
1994	102830001.831055
1995	28739999.7711182
1996	30100000.3814697
1997	21959999.084472697
1998	26190000.5340576
1999	21750000
2000	20120000.8392334
2001	12779999.7329712
2002	22370000.8392334
2003	24559999.4659424
2004	10609999.6566772
2005	26020000.4577637
2006	18670000.0762939
2007	9039999.96185303
2008	13010000.2288818
2009	12479999.5422363
2010	20760000.2288818
2011	24770000.4577637
2012	26190000.5340576
2013	17379999.1607666
2014	12109999.6566772
2015	27450000.762939498
2016	26420000.0762939
2017	24729999.5422363
2018	23729999.5422363
2019	19159999.8474121
2020	26260000.2288818
2021	26659999.8474121
2022	26870000.8392334
