Year Dollars 1992-01-01 644914 1997-01-01 1109545 2002-01-01 198208 2003-01-01 147779 2004-01-01 280511 2005-01-01 422503 2006-01-01 852517 2007-01-01 461956 2008-01-01 817897 2009-01-01 3765231 2011-01-01 2923403 2012-01-01 10889555 2016-01-01 2969400