2000

5.5

1968

6.8

1973

6.1

1973

6.4

1966

6.5

1972

6.8

1981

7.4

1966

6.3

1963

6.8

1975

5.5

1974

5.9

1978

3.9

1960

7.2

1967

5.9

1993

1.7

1981

6.5

1970

4.9

1972

7.1

1984

5.0

1969

6.6

1967

6.1

1965

0.0

1979

5.5

1963

6.0

1967

5.6

1966

4.9

1986

6.9

1985

6.2

1996

4.7

1973

6.2

1980

7.3

1965

5.3

1979

6.8

1967

0.0

1970

5.3

1968

6.0

1966

6.1

1965

6.7

1969

6.2

1973

5.5

1967

6.6

1972

4.1

1967

6.2

1963

5.9

1976

3.0

1965

5.4

2000

4.9

1968

6.1

1963

6.3

1967

6.2

1965

7.5

1985

5.5

1963

8.2

1982

5.8

1983

6.7

1968

6.3

1973

3.0

1970

6.2

1967

6.0

1971

7.6

1971

6.5

1963

5.4

1982

6.7

1975

7.8

1978

6.7

1963

6.5

1964

6.1

1970

5.5

1975

6.5

1971

6.1

1974

5.2

1984

3.5

1967

6.6

1972

5.8