Year Dollars 1992-01-01 1442721 1997-01-01 3023384 2003-01-01 3047346 2004-01-01 3010401 2005-01-01 32581726 2006-01-01 15065544 2007-01-01 33363197 2008-01-01 42397708 2013-01-01 84582078 2014-01-01 59313666 2015-01-01 49676158 2016-01-01 57094844