1997

8.1

2005

7.1

2007

6.7

2023

0.0

2006

4.0

1990

5.6

1982

5.1

1993

6.0

1996

7.8

1999

7.9

2022

8.1

2023

7.3

2001

5.8

2013

3.1

2013

6.9

2013

7.8

2022

7.3

1994

7.6

2000

0.0

1994

0.0