Year Dollars 1992-01-01 325299 1997-01-01 8412186 2002-01-01 2862153 2003-01-01 7955207 2004-01-01 13652890 2005-01-01 11011204 2006-01-01 14122298 2007-01-01 14054896 2008-01-01 14438928 2009-01-01 6672282 2010-01-01 7440052 2011-01-01 6507007 2012-01-01 7905995 2013-01-01 6438506 2014-01-01 8222842 2015-01-01 9513442 2016-01-01 10635846