1994

8.3

1961

7.2

1952

6.8

1953

8.0

1984

7.2

2002

8.0

1961

0.0

1974

5.0

1990

6.6

2003

6.6

2000

7.9

1921

0.0

2000

6.2

2009

6.7

2014

6.3

2003

7.2

2005

6.5

2008

6.9

2021

5.3

1980

6.8