1983

5.4

1980

0.0

2000

4.2

1986

5.0

1982

4.5

1976

5.9

2001

4.3

2014

7.9

1988

3.7

1989

7.0

2012

0.0

1995

0.0

2022

4.0

1973

5.4

2004

4.2

1991

4.5

1997

4.6