2004

7.7

2011

6.3

1995

6.4

1991

7.6

2001

7.4

1975

8.0

2018

8.0

2017

3.0

2001

8.0

1985

3.5

2022

4.2

2016

6.4

2011

0.0

2016

6.6

2004

7.7

2003

6.3

2016

5.3

2021

9.0

2015

6.7

2008

6.8