2010

7.1

2021

7.7

2010

6.9

7.8

2006

6.4

2020

5.5

2020

7.2

2008

5.9

6.6

5.9

2017

6.9

2016

6.5

7.0

2023

6.5

2021

9.3

2018

6.3

1992

6.5

1959

8.1

1967

6.6

2017

5.9