2014

4.8

1944

7.4

1929

5.0

1978

5.5

2007

5.8

2001

5.4

1983

6.1

1951

6.1

1924

8.1

1972

7.7

2005

7.5

1999

7.0

1998

7.7

2006

6.7

2007

6.4

2007

5.9

2006

8.6

2006

7.3