2007

10.0

2012

6.4

2017

7.4

2020

6.1

2018

6.0

1981

6.7

1953

4.8

2007

5.7

2017

5.9

2012

6.4

2018

6.5

2015

6.6

2022

3.2

5.8

1975

7.0

2009

5.1

2023

5.6

2017

9.4

2017

4.9