2021

6.2

2017

8.1

1986

6.4

1966

6.2

2020

5.4

2010

4.9

7.6

2014

5.3

2009

5.5

1957

6.9

2018

5.9

1983

6.5

5.8

1976

6.7

2023

7.4

2016

6.9

2022

5.5

2020

5.5

2002

5.5