2009

6.9

2001

6.2

2001

5.4

2001

6.9

2023

4.9

2016

6.2

1998

6.4

1998

7.0

1978

6.3

1991

6.2

1993

6.4

1989

6.8

2001

6.6

1987

6.9

1983

6.2

2003

6.4

1962

7.2

1992

6.1

2003

6.0

1983

5.7