Year	US Dollars adjusted for inflation)
1991	62442.242
1992	63302.582
1993	61634.375
1994	60499.805
1995	61114.965
1996	63313.445
1997	65446.312
1998	67603.773
1999	68418.25
2000	72222
2001	71588.234
2002	71949.32
2003	71587.805
2004	72789.914
2005	72525.523
2006	73766.289
2007	74492.812
2008	73367.57
2009	73936.555
2010	75030.906
2011	76590.852
2012	76169.969
2013	77646.258
2014	78209.805
2015	78506.125
2016	79961.031
2017	80888.297
2018	82201.797
2019	84013.328
2020	85963.375
2021	87986.664
2022	90061.289