Year	US Dollars adjusted for inflation)
1991	10400.42
1992	9732.68
1993	9780.944
1994	10022.906
1995	10009.796
1996	10129.945
1997	10233.588
1998	10649.156
1999	10523.293
2000	11625.927
2001	12278.941
2002	12886.822
2003	13120.223
2004	13542.255
2005	14457.69
2006	14766.408
2007	15216.87
2008	15577.013
2009	15443.238
2010	16444.91
2011	17363.365
2012	17525.24
2013	17688.994
2014	17663.803
2015	17982.85
2016	18672.479
2017	19228.322
2018	19786.205
2019	20369.748
2020	20882.578
2021	21367.301
2022	21889.57