Year	US Dollars
2000	9070
2001	9660
2002	9920
2003	10060
2004	11040
2005	12370
2006	12090
2007	12420
2008	11590
2009	11660
2010	11520
2011	12500
2012	12940
2013	12540
2014	13170
2015	14000
2016	14330
2017	13950