Year Dollars 1992-01-01 12166122 1997-01-01 57403023 2002-01-01 77055688 2003-01-01 132012427 2004-01-01 167265846 2005-01-01 76544493 2006-01-01 131530694 2007-01-01 204170841 2008-01-01 220297190 2009-01-01 149763523 2013-01-01 193112666 2014-01-01 196531358 2015-01-01 157073495 2016-01-01 141389617