2006

8.0

1997

7.9

1990

7.7

2004

8.1

1994

8.3

2003

7.2

2022

0.0

2021

9.0

1995

7.3

1995

7.1

2002

7.8

1993

6.9

2000

5.2

2021

0.0

2021

0.0

2017

3.4

2013

4.0

2019

8.3

1961

7.2

1991

6.6