1966

7.3

1983

7.9

1976

0.0

1981

6.6

1974

3.2

1980

0.0

1979

7.3

1963

7.9

1971

7.2

1966

7.1

1986

4.1

1980

1.0

2007

7.6

1982

0.0

1990

5.8

1974

6.2

1985

7.5

1979

6.8

1980

6.2

1994

8.4

1964

5.4

2000

5.4

1969

0.0

1984

6.7

1971

6.2

1993

6.7

1980

6.0

1975

5.5

1976

6.1

1973

5.6

1973

6.0

1969

7.7

1975

7.7

1943

6.3

1965

5.0

1973

6.6

1971

6.3

1962

7.0