Year	current US$
1961	810000.002384186
1966	1149999.97615814
1967	509999.99046325695
1989	12340000.1525879
1990	13279999.7329712
1991	13859999.6566772
1992	14029999.7329712
1993	13829999.923706101
1994	83370002.746582
1995	13250000
1996	30659999.8474121
1997	16219999.3133545
1998	10760000.2288818
1999	13810000.4196167
2000	15029999.7329712
2001	13380000.1144409
2002	6639999.8664856
2003	8250000
2004	12130000.1144409
2005	13520000.4577637
2006	14760000.2288818
2007	15770000.4577637
2008	17840000.1525879
2009	14430000.3051758
2010	15720000.2670288
2011	13670000.076293899
2012	9470000.26702881
2013	8029999.73297119
2014	11159999.8474121
2015	13850000.3814697
2016	12970000.2670288
2017	10630000.1144409
2018	12880000.1144409
2019	18670000.0762939
2020	17250000
2021	19649999.6185303
2022	20690000.5340576