1980

5.5

1999

6.2

1964

7.0

1964

7.0

2002

6.5

2022

7.1

1970

7.6

2006

6.6

1989

7.2

1967

6.6

2001

6.0

1979

7.6

2003

6.1

1993

4.9

1990

6.0

2003

5.9

1974

7.0

1970

6.9

1982

6.7

1955

7.7