2008

5.8

2006

6.5

2025

7.5

1992

6.7

1994

3.9

2006

5.8

1994

6.0

1999

6.8

2021

6.7

2002

4.1

1995

7.0

1996

5.7

1980

6.3

1975

5.9

2017

6.9

2007

7.4

2001

6.2

2004

5.9

2002

5.4

1961

8.1