2005

7.0

1937

4.6

1991

6.7

2000

6.9

2001

6.9

1997

7.0

2004

6.2

1965

7.6

2000

6.7

1952

5.7

2005

6.6

2006

6.0

1970

6.7

1943

5.4

1953

5.5

2017

6.1

2007

7.6

2014

6.0

1985

5.3

2007

7.0