1989

7.5

2009

7.0

1981

6.5

1989

6.0

1995

6.8

2012

7.5

1996

4.1

2005

0.0

2001

4.5

2001

5.7

2004

7.4

1993

5.9

2016

7.3

1986

5.5

2023

7.0

1989

4.0

2013

5.6

1983

0.0

1993

6.7

2013

4.7

1989

5.8