2005

6.6

2001

5.3

1986

0.0

2002

8.2

2016

6.9

2003

7.2

1998

5.7

2008

6.0

2017

5.7

2017

10.0

2019

7.1

2007

7.2

2011

4.1

1958

0.0

2017

5.9

2004

6.2

2009

5.2

2007

6.9

2004

5.2

2018

4.0