1983

7.6

2007

6.2

1974

6.9

2020

8.5

1997

7.5

2022

0.0

2009

7.0

1986

8.3

2006

0.0

2007

7.8

2008

2.5

1999

6.8

2007

7.7

2011

0.0

1982

7.3

1996

6.5

1998

7.0

2006

8.2

2007

4.0

2007

0.0