2005

8.8

2000

6.2

1979

6.9

1999

7.7

2005

7.4

2014

8.3

2014

7.0

1955

5.3

1987

6.4

2004

0.0

2020

0.0

2010

0.0

1993

2.0

1957

7.0

1978

4.0

1977

4.0

1992

5.5

1984

5.6

2001

5.6

1975

8.0