1982

4.7

1942

6.2

1983

5.7

1939

0.0

1936

6.0

1999

6.4

1983

5.5

2008

6.2

1936

6.9

2009

6.2

1947

0.0

1953

0.0

1969

0.0

1967

0.0

1998

6.6

2005

7.0

2000

7.2

2002

7.1