2007

6.4

2020

6.5

2021

10.0

1990

7.4

1992

6.3

2014

7.6

1979

6.0

2019

6.3

2014

8.5

2018

5.6

2019

6.0

2014

8.0

2023

5.6

2015

6.2

2015

6.2

2019

7.1

1938

5.7

2021

6.3

2001

7.2

2012

7.0