Year Dollars 1992-01-01 8694854 1997-01-01 10991104 2002-01-01 21884198 2003-01-01 27221657 2004-01-01 14158552 2005-01-01 15092700 2006-01-01 20284903 2007-01-01 28232201 2008-01-01 32426263 2009-01-01 28785063 2010-01-01 41947455 2011-01-01 68552983 2012-01-01 99435782 2013-01-01 61819241 2014-01-01 59078558 2015-01-01 58910309 2016-01-01 51527037