1984

3.0

1970

6.4

1992

5.4

1996

7.6

1961

7.5

1962

5.7

1968

6.9

1999

6.0

1962

2.0

1960

7.1

1966

5.0

1998

3.2

1972

5.1

1964

2.5

1961

1.0

1961

3.5

1961

5.0

1961

4.2

1960

8.0

1976

0.0

1961

2.0

1963

0.0

1983

4.4

1963

4.5