1995

6.1

1985

7.5

1960

5.0

1984

6.5

2013

6.7

1985

0.0

1997

6.5

1999

7.0

2021

6.8

1984

8.1

1958

6.7

1990

6.2

1974

7.5

1989

8.1

2013

6.8

1985

6.7

1980

6.8

1960

5.0

2012

4.0

1973

6.9