Year Dollars 1992-01-01 10271266 1997-01-01 21214266 2002-01-01 30955500 2003-01-01 16386644 2004-01-01 33325473 2005-01-01 33071269 2006-01-01 23956481 2007-01-01 30768915 2008-01-01 49172333 2009-01-01 44171061 2010-01-01 39370358 2011-01-01 34964609 2012-01-01 54313916 2013-01-01 41786554 2014-01-01 49911346 2015-01-01 47713819 2016-01-01 75342702