Year Dollars 1997-01-01 109894 2003-01-01 158049 2004-01-01 931325 2005-01-01 5092542 2006-01-01 6401145 2007-01-01 10619258 2008-01-01 13147632 2009-01-01 10145932 2010-01-01 2539761 2011-01-01 7160259 2012-01-01 8236239 2013-01-01 5540725 2014-01-01 2594157 2015-01-01 189888