2002

8.4

1997

8.4

2017

7.1

1997

6.2

1989

6.8

2010

10.0

2001

6.6

1965

7.2

1963

7.3

2022

8.2

2014

6.4

2014

4.8

2017

7.3

2014

7.2

2002

7.0

2008

6.2

1982

7.3

1967

6.7

2003

6.5

2007

5.0