1992

5.4

1988

5.2

2006

7.2

1965

5.0

2004

6.2

2016

6.4

1982

3.7

1985

10.0

1992

6.1

2017

7.0

1970

6.0

1985

4.1

1971

7.4

1978

7.8

1971

6.0

1993

6.1

1979

0.0

1979

6.2

1982

0.0

1969

7.7

1977

7.4