1983

6.6

2006

6.9

2004

5.6

1991

5.5

2017

6.8

2010

6.0

1965

0.0

1956

7.0

2025

4.3

1936

4.7

1958

5.7

2000

6.4

2000

5.5

2015

6.0

2007

7.4

2014

6.2

2002

6.0

1957

6.2

1984

6.3

1980

7.8