Year Dollars 1992-01-01 1068077 1997-01-01 1822711 2002-01-01 1748114 2003-01-01 1228406 2004-01-01 1819069 2005-01-01 2619269 2006-01-01 1938847 2007-01-01 2342920 2008-01-01 4492627 2009-01-01 3119731 2010-01-01 2643208 2011-01-01 7142935 2012-01-01 2159080 2013-01-01 4037783 2014-01-01 2479524 2015-01-01 5742463 2016-01-01 2129551