1993

8.3

1997

7.5

1996

7.0

2019

7.8

1969

7.4

2006

8.1

1999

7.3

2006

5.7

1988

5.7

1985

6.5

2023

8.0

1972

0.0

2001

6.3

1987

8.2

1999

5.5

2002

6.4

2000

8.1

2018

0.0

2000

8.0

2024

7.5