Year Dollars 1997-01-01 2323375 2002-01-01 2226727 2003-01-01 3190578 2005-01-01 3376796 2006-01-01 4039797 2007-01-01 4945987 2008-01-01 3614033 2009-01-01 2674395 2010-01-01 1971435 2011-01-01 1928511 2012-01-01 1861655 2013-01-01 4023926 2014-01-01 2650596 2016-01-01 2620099