Year	US Dollars adjusted for inflation)
1991	83516.227
1992	82392.562
1993	83258.219
1994	85047.078
1995	86749.297
1996	87834.703
1997	88340.766
1998	89623.641
1999	91695.219
2000	92569.266
2001	92435.305
2002	91505.102
2003	92243.961
2004	94350.672
2005	95764.555
2006	97253.492
2007	98210.633
2008	97930.203
2009	94027.641
2010	98336.297
2011	100851.492
2012	99466.039
2013	100489.75
2014	102417.75
2015	103199.688
2016	104520.648
2017	106640.75
2018	108078.508
2019	109509.125
2020	111047.875
2021	112397.797
2022	113697.023