1966

6.5

2007

7.5

1968

5.0

2007

6.0

2006

7.0

2004

6.3

2007

7.2

1991

6.2

1999

7.0

1999

7.0

2006

6.3

1955

7.9

1985

6.9

2022

7.3

2008

5.8

1971

6.2

1993

6.7

1996

5.4

1956

8.0

1971

6.9