2001

7.6

2012

4.2

1977

6.3

2007

6.7

2000

6.4

2009

5.4

2018

6.1

2013

4.5

2007

5.3

1982

7.2

2017

0.0

2015

4.8

1985

6.2

2003

5.7

2006

5.5

1999

6.7

1999

5.5

1979

6.3

2025

3.6

2005

4.1