2004

6.3

2000

6.7

2012

7.0

1971

7.2

1963

7.0

1989

6.2

1983

7.7

2016

0.0

1991

4.9

1987

7.3

2015

10.0

2014

0.0

2017

0.0

2009

0.0

2017

7.3

2000

8.0

1983

4.5

1977

5.0

2008

7.1

2017

4.0