1977

5.4

1985

4.4

1971

6.3

1998

3.4

1970

3.6

1971

5.1

1979

5.1

1969

5.6

1984

3.8

1976

5.9

2005

0.0

1966

4.0

1960

2.3

1999

2.7

1969

4.8

1968

6.1

1986

6.2

1969

6.8

1978

4.4

1970

5.7

1965

0.0

1980

4.5

1988

4.1

1985

5.7

1973

5.4

2004

4.2

1984

6.0

1986

7.0

1991

4.5

1987

4.3

1982

4.4

1986

5.6

1992

4.6

1981

4.5

1983

4.5

1993

3.4

1994

2.6

1990

5.1

1974

4.8

1964

4.4