2020

5.4

2020

5.8

2008

7.7

2007

6.7

2014

6.1

1999

5.1

1994

6.5

2017

9.5

1997

6.7

1996

7.1

2018

5.9

1989

7.3

2002

6.0

2013

7.0

2006

6.0

2012

6.2

2014

8.0

2015

6.0

2016

4.7

1982

7.6