1992

7.6

1976

6.3

2001

6.1

1996

7.2

1986

7.3

1991

4.0

2000

6.5

1995

7.0

2016

4.2

1981

6.3

1988

4.5

2023

7.2

2014

8.0

1975

7.7

1994

6.0