2007

6.2

2006

6.2

2025

8.0

1970

3.8

1973

3.4

1996

7.0

2001

7.4

1991

5.7

2003

6.6

1991

4.0

2005

6.3

2017

5.9

1975

7.4

1970

5.2

2010

5.1

1978

5.9

1977

4.6

2000

4.4

2004

5.3

2011

6.6