1996

7.3

2000

6.0

2002

6.4

1970

6.4

1984

5.6

2006

7.0

2004

5.0

1920

0.0

2025

8.6

2007

5.6

1992

5.3

1937

6.7

2016

4.7

2007

6.3

1953

7.3

1941

7.0

2012

8.0

1953

5.4

1991

6.2

1985

6.6