2001

6.6

2001

7.1

1962

7.0

2005

7.2

2004

7.2

1963

7.1

1964

7.4

1965

6.7

1962

7.9

1996

6.5

1967

6.6

1969

6.6

2003

8.2

2001

6.9

1986

8.0

1971

6.4

1974

6.5

1997

7.4