1997

8.2

1996

7.8

2013

8.2

1987

7.7

2021

6.4

2020

6.8

1968

8.0

2007

5.5

2017

7.5

2020

7.4

2025

0.0

0.0

2017

7.4

2024

6.5

1989

8.0

1993

6.9

2000

0.0

2018

6.0

1966

7.3

1997

6.8