1990

6.2

1989

6.8

2007

6.0

1992

6.0

2024

10.0

1965

6.3

1924

8.1

2007

6.5

1963

6.8

2005

6.9

1994

7.0

1994

6.6

1933

7.3

1991

8.5

1967

6.5

2006

5.9

1940

0.0

2004

6.4

1976

6.5

2003

6.4