1986

5.0

2003

7.8

2001

6.2

2001

7.4

1962

8.0

2005

7.1

1998

6.4

1932

6.9

1995

7.0

1966

8.0

1946

7.0

2002

7.2

1971

7.2

1998

6.9

2005

6.8

1959

7.9

2003

8.3

1995

7.3

1951

7.6

2005

7.2