2005

7.7

2008

6.2

2013

6.8

2016

6.9

1992

5.4

1996

6.1

2017

8.0

1999

7.1

2004

6.3

2005

7.5

2015

0.0

2008

6.3

2007

7.5

1981

5.8

1985

5.4

2014

5.8

2016

4.5

2022

6.6

1987

8.1

2016

6.3