2008

5.4

2001

7.5

2006

7.0

1959

6.1

1995

7.0

1984

6.7

2001

7.3

2004

7.2

1991

7.5

2003

7.1

1969

7.1

1995

6.7

2017

6.6

2001

6.8

1967

7.7

2007

7.2

2006

5.0

1996

6.9

1930

7.3

1998

3.7