2015

6.4

1996

8.0

2012

9.3

2017

9.4

2006

5.6

2019

8.7

1973

7.2

2006

6.6

2014

5.3

2015

6.3

2016

6.0

2017

4.8

2013

4.3

1988

6.3

2005

9.7

1999

6.7

2001

6.2

2018

8.2

2014

6.6

1986

5.8