5.4

6.7

2012

6.3

2011

5.6

2022

6.9

2007

5.7

2023

6.8

2017

5.9

6.3

1968

6.9

6.7

2014

5.9

2008

7.0

2012

7.2

2022

3.4

1993

6.2

2009

4.1

2010

7.3

5.6

1993

6.1