1972

8.6

1985

6.7

1980

6.8

1987

0.0

1974

0.0

1989

8.2

1973

6.9

1982

7.1

1984

6.5

1982

4.5

2022

7.0

1997

0.0

1996

5.0

1995

6.2

1985

7.5

2010

7.0

1984

8.1

1969

7.0

1958

6.7

1990

6.8