1997

7.1

1927

8.1

1968

8.1

2005

6.5

1982

7.9

2018

5.1

1990

7.3

1987

6.5

1968

7.6

0.0

1996

4.9

1984

6.8

1981

6.4

1995

5.5

1999

8.0

1977

8.5

2002

5.9

1960

7.3

2002

6.3

1992

5.4