2011

5.7

1997

4.3

1964

3.0

1989

5.3

1962

0.0

1994

7.2

1982

5.5

1986

6.1

2007

0.0

1979

5.0

1980

8.0

2001

4.0

2010

6.5

2010

5.8

1982

0.0

2000

0.0

1985

6.7

1980

6.7

1980

0.0

2000

6.0

1982

0.0

1980

0.0

1989

7.1

1994

7.0

1981

6.7

1993

4.9

1990

3.0

1984

5.1

1962

4.6

1987

6.1

2001

5.7