Year Dollars 1992-01-01 621514 1997-01-01 841411 2002-01-01 828700 2003-01-01 795164 2004-01-01 940313 2005-01-01 2167188 2006-01-01 1304269 2007-01-01 1877009 2008-01-01 2125717 2009-01-01 1530555 2010-01-01 15181957 2012-01-01 9994891 2015-01-01 1764218 2016-01-01 1861548