Year Dollars 1992-01-01 307217 1997-01-01 3474956 2003-01-01 1204094 2004-01-01 2450519 2006-01-01 17012328 2007-01-01 17077283 2008-01-01 19073773 2011-01-01 9287542 2012-01-01 3656360 2013-01-01 9939721 2014-01-01 14293983 2015-01-01 13537350 2016-01-01 7271853