Year Dollars 1992-01-01 1011382 1997-01-01 4896326 2002-01-01 7276003 2003-01-01 7028199 2004-01-01 10739003 2005-01-01 11870393 2006-01-01 22760895 2007-01-01 15601606 2008-01-01 16748161 2009-01-01 15764674 2010-01-01 21870423 2011-01-01 22274097 2012-01-01 22227321 2013-01-01 27530445 2014-01-01 44518538 2015-01-01 27713890 2016-01-01 26113790