2012

5.7

2015

6.4

2022

5.6

1975

4.5

1997

6.3

5.0

2021

6.2

2024

6.9

1967

5.6

2019

8.3

1977

6.4

6.4

2017

9.5

2020

7.4

1967

6.5

1994

7.6

2011

7.2

2024

5.4