Year Dollars 1997-01-01 3377496 2002-01-01 14321928 2003-01-01 6654195 2004-01-01 2091000 2005-01-01 3012172 2006-01-01 9194163 2007-01-01 10550377 2008-01-01 31328243 2009-01-01 10678664 2010-01-01 10612041 2011-01-01 34144965 2012-01-01 18800406 2013-01-01 26672695 2014-01-01 10673469 2015-01-01 18668239 2016-01-01 14248618