Year	US Dollars adjusted for inflation)
1991	70186.242
1992	70741.227
1993	67971.328
1994	66728.461
1995	65491.062
1996	66107.094
1997	65619.68
1998	66034.812
1999	61846.953
2000	62057.355
2001	59378.891
2002	55781.934
2003	59273.008
2004	61064.883
2005	61583.664
2006	60876.098
2007	59276.102
2008	60327.41
2009	57207.617
2010	56867.152
2011	58793.484
2012	57868.152
2013	56233.414
2014	55808.289
2015	55337.09
2016	54491.816
2017	52755.352
2018	52761
2019	53077.512
2020	53938.664
2021	55343.434
2022	56500