2013

5.2

1972

5.5

2006

3.7

2007

5.0

2009

6.0

1996

6.4

2014

5.3

1974

7.3

2004

7.2

1985

4.5

2014

7.1

1976

6.3

2017

5.8

2013

5.5

2006

7.0

1982

0.0

2000

5.4

1990

0.0

2011

4.0

2007

6.4