2018

7.2

1994

6.8

2007

8.0

1984

7.0

1981

5.4

1979

7.3

2017

6.6

1997

0.0

2007

0.0

1979

6.0

2009

4.7

2000

6.1

2010

9.1

1978

0.0

1975

2.0

2009

0.0

1983

0.0

1983

0.0

1977

3.0

1975

4.8

1978

6.3

2000

0.0

2003

0.0