1993

4.6

1990

7.4

1977

6.8

1985

0.0

1996

8.0

2004

0.0

2007

7.4

1978

4.2

1990

6.0

1975

7.2

1992

6.7

2006

4.8

2018

6.4

2005

2.0

1972

6.9

1962

7.4

1981

7.0

1972

3.8

1978

7.0

1991

8.0