2006

6.8

2023

7.0

1991

7.3

1980

7.1

1981

7.2

2004

7.6

2007

7.2

1993

5.7

1995

3.3

2017

5.3

1997

6.8

1997

6.7

1986

2.8

1988

3.8

0.0

1985

7.8

1994

8.7

1999

7.5

1996

0.0

2012

0.0