2011

0.0

2007

6.4

2005

6.8

2023

7.2

1998

6.0

2001

6.9

2006

5.5

2002

6.3

1992

7.4

1994

6.7

2020

5.4

2016

5.0

1951

6.2

2023

5.7

1988

7.8

2006

7.1

1946

8.3

1983

7.2

0.0

2013

5.7