Year	US Dollars adjusted for inflation)
1991	71625.305
1992	74182.727
1993	75023.969
1994	77125.438
1995	78156.719
1996	79367.008
1997	81348.961
1998	82843.203
1999	83249.078
2000	85031.734
2001	86248.234
2002	86728.844
2003	86884.203
2004	88997.062
2005	88540.609
2006	90157.047
2007	90963.188
2008	90865.086
2009	85796.625
2010	88374.195
2011	89459.383
2012	89272.273
2013	88750.953
2014	89519
2015	90570.578
2016	91195.75
2017	92672.398
2018	94600.062
2019	96169
2020	97519.07
2021	98659.75
2022	99710.305