1966

7.3

1983

7.8

1976

0.0

1981

6.4

1974

3.2

1980

0.0

1963

7.9

1971

7.0

1966

7.1

1980

1.0

2007

7.6

1982

0.0

1990

5.8

1974

6.1

1985

7.5

1979

6.8

1980

6.2

1994

8.4

1964

4.8

2000

5.6

1984

6.6

1971

6.1

1993

6.7

1980

6.1

1975

5.5

1976

6.2

1973

5.6

1973

6.1

1969

8.0

1975

7.7

1943

6.3

1965

5.0

1971

6.2

1962

7.0