1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016 |
$1,221
$2,680
$3,158
$35,070
$40,952
$146,693
$50,359
$105,581
$215,574
$126,388
$248,697
$275,225
$195,183
$156,993
$273,526
$142,089
$267,216
$288,092
$240,495
$254,255
$141,148
$253,643
$271,198
$190,925
$187,642
$199,952
$121,138 |