2001

6.5

1990

6.9

1981

3.7

2008

0.0

1993

7.1

2003

6.8

1993

0.0

1994

5.4

0.0

2023

7.2

1989

5.6

1988

5.0

2014

6.1

1991

6.2

1987

8.4

1992

6.7

1960

7.4

1993

6.3

1995

6.4

1996

3.5

2004

6.1

1997

4.4

1996

0.0

1997

6.5

2009

8.0