2006

7.0

2017

5.9

2020

5.3

2010

4.3

2004

3.2

2016

5.4

2013

4.8

2015

3.6

1984

7.1

1990

6.5

2001

5.3

2006

6.1

1978

4.5

2020

5.1

2005

3.2

2007

2.9

2003

6.3

2003

6.0

2000

4.3

2019

4.5