1986

8.3

2021

7.9

2002

7.5

2002

7.5

2006

8.2

2004

8.3

2007

8.5

2018

8.5

2007

8.1

2013

8.7

1994

6.9

2016

8.6

1996

8.0

1983

6.9

2013

8.7

2001

8.2

2010

8.5

2005

7.0

2019

8.2

2005

7.0