1979

7.4

1959

7.9

2001

6.9

1987

7.6

2004

7.9

1977

7.1

1997

8.4

2014

4.7

2001

7.1

1991

7.3

1993

6.1

1967

7.6

2006

8.2

1984

4.3

1973

4.4

2007

0.0

2014

6.2

2024

7.0

1962

7.0

1975

8.0