1983

8.0

2014

8.0

2014

7.5

1994

6.2

2017

6.8

2008

7.6

2019

7.7

2020

5.2

1997

6.5

1981

7.4

2016

6.8

2012

5.8

2018

6.6

2004

6.7

1990

6.5

1999

8.2

2010

7.4

2006

6.4

2010

7.9

1993

7.1