5.0

2016

6.7

1989

9.2

1999

9.1

1989

7.9

2008

6.2

2019

5.7

1988

5.5

1980

5.9

2022

4.5

2016

6.5

2010

6.2

2020

9.4

1989

5.9

6.4

1990

4.4

2015

6.6

2020

5.8

2021

6.2