1955

6.1

2019

7.0

2010

5.0

2020

5.5

2019

7.5

1986

6.4

2020

6.3

2014

8.0

2018

7.9

2023

7.2

2019

7.2

2022

6.7

2020

6.9

2006

7.1

2022

5.5

1973

5.3

1968

6.9

2020

6.1

6.3