1981

10.0

2013

6.0

2019

7.6

2023

5.7

1996

8.5

2010

0.0

1990

0.0

2003

7.8

1998

8.5

1999

8.0

2006

9.0

2006

7.7

1992

7.3

2016

5.8

1973

7.5

2008

0.0

2016

0.0

1989

8.2

1995

0.0

2022

6.0