1980

5.0

1977

5.0

2023

7.7

2022

6.5

1993

6.7

1996

5.4

1997

4.5

2006

5.2

1996

6.2

2005

5.1

1994

6.0

1992

6.3

1986

6.3

1995

5.8

2003

7.1

1998

4.4

2005

6.3

1988

6.1

1990

6.5

1996

6.5