2013

5.3

2018

6.9

2006

7.0

1997

7.6

2015

7.3

2018

7.2

2004

6.6

2019

7.2

1999

8.0

2010

6.1

2002

2.0

2025

6.1

2022

6.0

2019

0.0

2020

3.9

2013

5.7

1970

4.1

2007

6.5

2011

6.7

1994

6.4