Year Dollars 1992-01-01 24269209 1997-01-01 7467513 2002-01-01 49512524 2003-01-01 52556798 2004-01-01 39449424 2005-01-01 42796066 2006-01-01 44916714 2007-01-01 40294791 2008-01-01 77109278 2009-01-01 38531917 2010-01-01 45887575 2011-01-01 60420623 2012-01-01 64598681 2013-01-01 46618231 2014-01-01 41228922 2015-01-01 46498227 2016-01-01 60159979