1996

7.1

1976

7.3

2001

6.9

2010

5.3

1993

5.5

1967

5.5

1995

7.2

1973

0.0

2013

4.5

2003

5.2

2025

5.0

2006

7.4

2011

7.5

2012

5.0

1996

8.0

1989

7.0

1999

0.0

8.0

2003

10.0

2025

8.0