1984

7.0

1997

6.1

1921

6.3

2002

6.2

1979

7.3

2004

6.4

2006

6.7

2013

4.8

1995

4.6

1975

7.5

2002

0.0

1939

6.7

1971

5.5

1964

6.1

1970

5.8

1972

4.7

2007

5.8

1966

6.7

1973

7.5

1957

7.9