1935

6.8

1968

7.0

1995

6.0

2025

6.8

1994

7.4

2016

6.3

1948

8.0

2008

6.9

1946

7.3

1982

0.0

2017

5.9

2008

6.4

1998

7.0

1979

7.0

2007

6.9

1961

7.2

2002

7.1

2005

6.2

2001

7.7

1993

5.4