Year	current US$
1991	490000.009536743
1992	2569999.9332428
1993	2250000
1994	6750000
1995	4730000.01907349
1996	7980000.01907349
1997	7719999.79019165
1998	5469999.79019165
1999	1980000.01907349
2000	3769999.98092651
2001	11470000.2670288
2002	11560000.4196167
2003	12739999.7711182
2004	11000000
2005	9119999.88555908
2006	5340000.15258789
2007	6780000.20980835
2008	18270000.4577637
2009	8239999.77111816
2010	4159999.8474121103
2011	379999.99523162795
2016	59999.9986588955
2017	79999.9982118607
2018	219999.998807907
2019	109999.999403954
2020	3529999.97138977
2021	170000.00178813902
2022	79999.9982118607