Year Dollars 1992-01-01 114557 2002-01-01 107900 2003-01-01 217741 2005-01-01 94658 2007-01-01 122534 2010-01-01 175983 2011-01-01 615240 2012-01-01 976354 2013-01-01 1608801 2014-01-01 2320820 2015-01-01 1216325 2016-01-01 1556362