2012

7.1

2009

10.0

2017

7.8

2014

7.8

2017

7.2

2006

6.4

1959

8.0

2012

6.3

2009

5.6

1990

5.8

1989

7.8

2015

6.3

2008

6.6

2016

7.7

2000

5.9

2007

5.6

2009

8.0

1982

7.5

2010

7.3

2017

6.3