Year	US Dollars adjusted for inflation)
1993	510.11321
1994	321.35981
1995	341.97421
1996	351.36672
1997	355.23412
1998	362.1862
1999	398.38277
2000	431.30466
2001	454.07645
2002	475.05373
2003	506.70279
2004	550.09994
2005	613.27901
2006	669.03633
2007	726.46058
2008	763.69139
2009	752.97792
2010	785.69288
2011	827.97841
2012	874.16149
2013	923.11382
2014	972.97924
2015	1024.87234
2016	1079.11354
2017	1135.1519