Year	US Dollars adjusted for inflation)
1991	89320.07
1992	89559.258
1993	89498.133
1994	92520.086
1995	93597.953
1996	95162.719
1997	97734.695
1998	99277.172
1999	99499.07
2000	99811.648
2001	102575.844
2002	104188.023
2003	105007.039
2004	106263.039
2005	106088.008
2006	108044.938
2007	108700.57
2008	107991.508
2009	106158.07
2010	107454.586
2011	109156.453
2012	108960.391
2013	108567.219
2014	109712.133
2015	110881.078
2016	111199.805
2017	111957.773
2018	112802.172
2019	114484.039
2020	116148.523
2021	117934.344
2022	119768.258