1967

4.5

1951

5.9

1984

7.6

1954

6.2

1975

6.3

1957

2.6

1965

6.2

1964

5.7

1952

6.9

1957

4.8

1969

5.6

1976

6.7

1976

4.0

1977

6.8

1967

5.0

1971

8.1

1962

4.8

1953

7.1

1983

5.3

1964

6.9

1966

6.3

1957

8.3

1981

7.3

1985

5.2

1975

7.4

1982

5.9

1955

5.5

1956

6.6

1956

5.1

1972

5.1

1955

6.6

1968

6.2

1952

6.7

1952

5.2

1957

5.3

1955

6.3

1983

0.0

1967

6.7

1970

7.1

1962

4.6

1971

6.7

1956

6.8

1951

7.9

1980

0.0

1961

6.7

1975

4.9

1955

7.5

1951

6.0

1972

7.2

1959

7.2

1958

6.2

1964

6.3

1956

5.7

1977

5.0

1975

7.2

1978

5.0

1980

6.8

1973

6.4

1965

6.1

1960

5.4

1959

5.6

1956

7.7

1976

7.1

1956

6.5

1973

6.8

1968

5.2

1961

6.2

1953

6.6

1962

6.5

1979

5.5

1958

5.7

1967

6.1

1971

5.9

1953

6.3