2015
$3,200
2014
$4,100
2013
$5,985
2012
$3,475
2011
$5,060
2010
$4,475
2009
$8,408
2008
$8,074
2007
$7,474
2006
$10,145
2005
$13,160
2004
$8,185
2003
$7,425
2002
$5,120