2006

7.0

2003

5.3

1997

6.8

2000

5.3

1944

7.2

2006

5.4

2001

7.5

1997

7.6

2003

6.1

1976

6.2

2002

6.2

2002

6.7

1999

6.5

1987

6.0

1952

6.8

2005

5.4

2006

5.2

2000

7.1

2004

6.2

2006

5.2