Year Dollars 1992-01-01 14845283 1997-01-01 23789447 2002-01-01 10598592 2003-01-01 14707038 2004-01-01 13402050 2005-01-01 13108686 2006-01-01 23698257 2007-01-01 50721520 2008-01-01 35585187 2009-01-01 53872716 2010-01-01 75552181 2011-01-01 83326299 2012-01-01 34897483 2013-01-01 44830501 2014-01-01 42063381 2015-01-01 51072689 2016-01-01 54508062