1981

4.9

1974

4.1

1989

4.5

1985

3.8

1993

6.3

1972

10.0

2006

5.5

2000

4.2

2016

2.0

2003

6.2

1982

0.0

1995

2.0

2008

5.5

1994

5.5

1973

4.6

1976

0.0

2003

4.5

1970

4.9

1970

3.0

1976

0.0