1987

4.2

1987

5.2

1998

4.4

2000

5.9

1997

6.7

2023

4.6

1995

0.0

1996

5.5

1991

7.0

2003

6.8

1999

6.7

1998

5.0

1987

5.4

2009

0.0

2017

8.2

1993

6.1

1994

6.5

1983

4.0

1988

6.2

2015

5.7