2008

7.8

2016

7.1

2010

5.5

2013

5.8

1993

6.1

1988

6.5

2014

8.5

2003

6.7

2015

5.9

2013

6.1

2018

5.6

1983

6.5

2013

7.0

2000

5.4

2016

6.9

2007

6.1

2016

6.6

2021

8.9

2014

5.4