1961

5.6

1990

7.4

1959

7.5

1963

6.0

1982

5.7

1967

5.7

1966

6.6

1966

4.9

1965

6.4

1967

5.3

1955

6.6

1965

3.5

1965

5.4

1982

6.8

1984

7.2

1989

0.0

1976

7.2

1967

6.7

1984

7.5

1960

6.5

1966

5.1

1966

7.5

1972

4.0

1966

8.0

2002

6.4

1972

6.5

1965

5.5

1987

4.8

1959

5.8

1978

4.7

1979

5.0

1965

4.8

2009

0.0