1976

7.1

2014

7.0

1998

8.3

2001

7.8

2020

6.2

1978

6.0

1965

7.2

2016

4.0

2020

6.2

1988

7.5

2016

6.0

2017

5.2

2006

6.6

2023

7.5

1962

7.9

2007

7.3

2003

7.0

2001

6.8

1985

8.1

2014

6.0