1987

7.0

1963

7.2

1957

7.2

1975

7.9

2007

6.1

2024

6.3

1995

6.8

1991

7.1

1987

6.2

1988

6.8

1966

6.1

1957

8.1

2005

6.9

2015

4.6

2024

7.3

2009

5.0

2015

5.9

1980

5.3

1990

5.8

1972

7.9