1997

7.6

2014

5.5

2015

5.3

2008

6.5

2005

4.5

2019

3.0

2020

6.0

2004

6.9

2005

6.9

2000

7.6

2015

5.5

2019

6.2

1995

6.0

2006

5.8

2016

0.0

2024

0.0

1968

4.8

2014

4.7

1992

4.3

1983

4.6