1992

5.4

2006

7.2

2004

6.2

2016

6.4

1982

5.0

1985

0.0

1992

5.8

2017

7.3

1985

4.1

1971

7.4

1978

8.0

1971

6.0

1993

5.9

1979

0.0

1979

6.2

1982

0.0

1969

7.7

1977

7.4