1988

4.7

1959

0.0

1978

7.2

1972

5.4

1965

5.6

1972

6.0

1979

7.4

1960

6.9

1964

6.0

2011

3.8

1961

7.7

1968

6.1

1969

8.0

1962

7.3

1972

5.8

1972

5.8