1990

5.6

1977

6.8

2005

2.0

1982

0.0

1973

7.0

1988

6.6

1984

7.5

1984

7.2

1978

7.2

1980

5.9

2004

7.8

1982

4.5

1970

7.8

2012

3.3

1971

5.4

1979

0.0

1983

4.7

1973

0.0

1993

4.8

1992

6.3

2007

5.0

1984

1.0