1976

7.1

1997

7.6

1967

7.4

1991

7.8

2014

8.5

1997

7.4

1990

7.1

1969

8.2

1976

7.5

1966

7.4

2001

6.6

2013

6.4

2013

7.2

2023

5.3

1976

8.0

2000

7.0

2014

5.2

1986

7.9

2001

5.8

2002

6.4