2016

3.9

1984

8.1

1972

6.2

2005

5.6

2016

6.5

1994

7.3

1995

6.1

2006

6.4

2007

5.3

1979

0.0

2003

3.9

1976

4.9

0.0

1977

7.4

1996

6.4

1984

6.9

2004

5.9

1988

0.0

2006

0.0

2007

6.3