2003

7.8

2008

5.2

2007

3.3

2007

8.0

1991

5.7

4.0

1957

7.1

1981

10.0

2006

3.0

2009

4.8

2003

3.7

2021

4.5

2015

9.3

2019

8.0

2016

3.0

2015

0.0