Year Dollars 1992-01-01 246537 1997-01-01 1093632 2002-01-01 691852 2003-01-01 218004 2004-01-01 361181 2005-01-01 184932 2006-01-01 1788229 2007-01-01 797372 2008-01-01 249824 2009-01-01 413296 2010-01-01 1725699 2011-01-01 837896 2012-01-01 424460