Year	US Dollars adjusted for inflation)
1991	45084.941
1992	44257.574
1993	44403.898
1994	45397.727
1995	46598.008
1996	47770.492
1997	48907.09
1998	50202.434
1999	51609.402
2000	53209.938
2001	54813.523
2002	55852.879
2003	57024.059
2004	58406.789
2005	59614.074
2006	60664.309
2007	61937.773
2008	61941.148
2009	59218.785
2010	58985.969
2011	59846.266
2012	60201.293
2013	60873.988
2014	62183.918
2015	63715.141
2016	64701.992
2017	65879.164
2018	66765.734
2019	67842.586
2020	69074.93
2021	70427.742
2022	71838.344