2006

8.2

2010

7.9

2000

7.6

1995

5.8

2005

7.0

2005

7.9

1987

7.8

1984

0.0

1991

7.7

0.0

2019

3.6

2013

6.8

1995

0.0

0.0

2007

7.6

2004

7.4

2025

7.1

2021

8.1

1974

6.6

2012

7.6