1975

8.7

2007

4.2

1986

6.2

2013

0.0

2004

0.0

2014

6.9

2024

6.4

2000

6.0

2009

7.2

2005

5.3

2012

6.0

2015

6.0

2016

6.6

2020

6.3

1996

1.0

2025

5.6

2016

6.4

2015

7.6

2016

5.9

2005

5.5