2023

8.4

2013

6.4

2014

4.2

2019

7.3

2021

5.3

2022

3.8

2019

6.0

2009

6.7

1985

6.1

2002

5.4

2011

6.0

2023

5.6

7.8

2009

6.7

2017

5.9

2023

4.2

1929

6.2

1971

6.8

1963

6.0