Year Dollars 1992-01-01 2661105 1997-01-01 5793738 2002-01-01 25277199 2003-01-01 8234379 2004-01-01 10111209 2005-01-01 7590752 2006-01-01 10067297 2007-01-01 13082837 2008-01-01 12995610 2009-01-01 9980733 2010-01-01 10583046 2011-01-01 12130944 2012-01-01 9406239 2013-01-01 9494031 2014-01-01 8599451 2015-01-01 10494541 2016-01-01 8617632