Year Dollars 1997-01-01 246199 2002-01-01 1685484 2003-01-01 2318089 2004-01-01 9184360 2005-01-01 3417402 2006-01-01 640740 2007-01-01 4950417 2008-01-01 6367045 2009-01-01 5430796 2010-01-01 8530747 2011-01-01 2614031 2012-01-01 33604650 2013-01-01 114656180 2016-01-01 16305684