1976

7.5

2009

6.9

2004

5.8

2001

4.0

1987

0.0

2006

6.0

2000

2.0

2004

4.5

1992

0.0

2012

7.0

1989

0.0

2003

7.3

2008

0.0

1999

0.0

2022

7.2

1988

5.4

2002

4.9

2014

7.1

1998

0.0

1994

0.0