2.0

2019

4.0

2022

7.1

2005

5.2

2016

6.1

1991

5.7

1978

5.9

1989

6.2

2023

7.1

2013

6.1

2017

6.6

1958

5.5

2012

5.3

2019

6.5

2020

7.2

2003

6.8

2010

6.9

1940

6.3

1998

6.1

1999

8.0