Year Dollars 1997-01-01 321076 2002-01-01 691874 2003-01-01 1261078 2004-01-01 1468029 2005-01-01 2182334 2006-01-01 2480947 2007-01-01 1613406 2010-01-01 136510 2011-01-01 255042 2012-01-01 107007 2013-01-01 59438