Year Dollars 1992-01-01 5800915 1997-01-01 12159521 2002-01-01 10724886 2003-01-01 16022484 2004-01-01 10492705 2005-01-01 9185328 2006-01-01 10685472 2007-01-01 15762053 2008-01-01 15199711 2009-01-01 10915586 2010-01-01 20730999 2011-01-01 54481382 2012-01-01 66308528 2013-01-01 81024482 2014-01-01 90266880 2015-01-01 39337468 2016-01-01 100705191