1985

8.3

2008

4.0

1960

7.4

1941

6.0

2018

7.1

1940

4.0

1996

6.9

1992

5.2

1997

5.4

2004

6.9

1997

5.7

1989

6.3

2005

6.4

1994

7.1

1958

7.0

2008

6.5

1924

0.0

1925

5.0

1963

5.9

1961

6.5