Year	Dollars
1992-01-01	169077230
1997-01-01	251825341
2002-01-01	142386670
2003-01-01	133871474
2004-01-01	146957654
2005-01-01	131556281
2006-01-01	173235192
2007-01-01	190821476
2008-01-01	200656031
2009-01-01	161684935
2010-01-01	187518446
2011-01-01	242620351
2012-01-01	212263694
2013-01-01	225938031
2014-01-01	210195481
2015-01-01	185520964
2016-01-01	234955732