2006

5.5

2007

6.1

2007

7.2

1995

5.7

2005

6.5

2004

5.9

1999

6.7

1989

6.8

1973

6.9

2014

3.8

2022

6.2

2018

5.7

1998

6.1

2025

0.0

1965

7.4

1976

7.6

1981

7.4

2025

10.0

1999

6.5

2003

6.6