2019

7.1

2019

6.2

2010

6.9

1982

7.2

2015

6.0

2016

6.5

2014

7.0

2005

6.8

2016

6.4

2019

8.2

2013

7.5

2012

5.0

2014

6.3

2019

6.6

2014

6.3

2014

7.6

2017

7.5

1965

6.7

1990

7.5

1993

7.8