1993

7.1

2005

0.0

2002

7.1

1995

7.7

2014

10.0

2007

4.0

2004

6.8

2007

6.2

2009

5.9

1999

7.1

2003

7.2

0.0

1999

5.4

1967

7.4

1989

7.9

2017

7.0

1987

0.0

1989

4.5

2001

8.1

1985

0.0