1993

7.0

2006

6.5

1999

6.0

2013

7.6

1970

7.1

1993

4.0

2010

0.0

1989

5.9

1974

1.5

1980

7.5

1981

0.0

1976

6.7

1978

6.4

1972

7.3

2006

6.9

1976

4.0

2012

2.3

1972

1.0

1980

2.0

2001

3.9