2013

7.1

2014

5.9

2007

5.7

1971

7.4

2014

7.0

0.0

2012

5.6

2012

3.6

2004

5.8

2012

6.3

2016

5.6

2019

5.1

1993

5.5

1990

6.5

2016

6.2

2012

7.3

1992

8.4

1972

4.0