1987

7.2

2022

5.1

1979

6.1

1982

7.8

1998

4.5

1991

6.4

2013

8.1

1985

7.1

1999

6.6

1992

7.4

2007

3.5

1994

0.0

1997

5.6

1991

3.5

1996

6.2

1983

5.0

1976

5.9

2002

3.5

1996

5.2

2004

7.2

1983

5.2

1980

7.0

2002

7.5

2002

7.2

1972

6.2

2007

5.7

1995

7.7

1967

6.0

1996

7.1

1987

6.6

2003

6.1

1993

8.4

1978

6.0