Year	US Dollars adjusted for inflation)
1991	5522.855
1992	3042.165
1993	2176.746
1994	1985.833
1995	2123.392
1996	2477.801
1997	2799.04
1998	2911.2
1999	2996.846
2000	3067.299
2001	3121.436
2002	3467.092
2003	3735.854
2004	4096.413
2005	4581.18
2006	5024.233
2007	5654.43
2008	6042.018
2009	5891.583
2010	6180.875
2011	6518.982
2012	6915.917
2013	7290.682
2014	7498.848
2015	7666.795
2016	8007.585
2017	8397.131
2018	8796.465
2019	9170.309
2020	9589.004
2021	10041.717
2022	10511.927