2006

6.9

1994

7.4

1967

7.6

2004

7.1

1954

6.0

1996

5.4

1990

6.7

1987

6.5

1993

8.1

2007

7.1

2007

5.0

1999

6.1

1991

8.3

1963

6.5

1973

5.2

1985

7.4

1983

6.1

2023

5.3

1970

6.8

2014

6.9