1967

7.7

1931

7.1

1937

7.9

1996

7.3

1976

5.5

2025

10.0

2005

5.9

2002

6.4

2002

6.2

2008

6.7

1974

5.2

2007

6.1

1956

0.0

2013

5.5

2001

3.0

2008

7.0

2014

6.0

1977

6.8

2002

7.6

1956

7.9