Year Dollars 2002-01-01 24391100 2003-01-01 34989828 2004-01-01 12785295 2005-01-01 23707260 2006-01-01 16606376 2007-01-01 12270770 2008-01-01 13022745 2009-01-01 12138779 2010-01-01 21756910 2011-01-01 18155826 2012-01-01 24025788 2013-01-01 27616234 2014-01-01 32457537 2015-01-01 27723346 2016-01-01 17763814