Year Dollars 1992-01-01 122764 1997-01-01 259931 2002-01-01 284900 2003-01-01 144410 2004-01-01 115529 2005-01-01 1746420 2006-01-01 1091968 2007-01-01 831417 2008-01-01 352107 2009-01-01 486656 2010-01-01 3114587 2011-01-01 2035530 2012-01-01 2870093 2013-01-01 1505370 2014-01-01 2995695 2015-01-01 3145486 2016-01-01 1343719