2019

8.2

2021

6.1

2017

6.9

2014

4.6

2010

7.3

1976

6.6

2015

6.8

2005

5.8

2022

6.8

2022

8.9

1990

6.4

2016

6.8

1979

7.6

2013

8.4

2023

6.7

2015

7.1

1987

7.4

2021

6.7

2005

4.6

1972

7.3