1978
|
$250
|
|
1990
|
$520
|
|
2002
|
$ 870
|
|
2014
|
$1200
|
1979
|
$260
|
|
1991
|
$540
|
|
2003
|
$ 890
|
|
2015
|
$1220
|
1980
|
$290
|
|
1992
|
$570
|
|
2004
|
$ 900
|
|
2016
|
$1260
|
1981
|
$310
|
|
1993
|
$590
|
|
2005
|
$ 920
|
|
2017
|
$1300
|
1982
|
$340
|
|
1994
|
$620
|
|
2006
|
$ 970
|
|
2018
|
$1320
|
1983
|
$370
|
|
1995
|
$630
|
|
2007
|
$1000
|
|
2019
|
$1360
|
1984
|
$390
|
|
1996
|
$640
|
|
2008
|
$1050
|
|
2020
|
$1410
|
1985
|
$410
|
|
1997
|
$670
|
|
2009
|
$1090
|
|
2021
|
$1470
|
1986
|
$440
|
|
1998
|
$700
|
|
2010
|
$1120
|
|
2022
|
$1510
|
1987
|
$460
|
|
1999
|
$740
|
|
2011
|
$1120
|
|
|
|
1988
|
$470
|
|
2000
|
$780
|
|
2012
|
$1130
|
|
|
|
1989
|
$500
|
|
2001
|
$830
|
|
2013
|
$1160
|
|
|
|