1996

6.4

2014

5.9

1961

7.2

2014

5.9

2017

6.7

1953

7.7

1992

7.5

1929

7.5

2006

6.9

1936

0.0

1958

7.6

1984

8.0

1998

7.4

1957

8.5

1966

7.7

1989

7.2

1996

6.8

1973

2.3

1932

0.0

1940

5.2