2015

6.4

1953

4.8

2018

6.3

7.0

2020

6.4

2011

6.4

2015

6.6

1972

6.6

1993

5.6

2023

6.8

1972

6.3

1985

6.1

2020

6.4

1985

6.8

2015

6.6

2018

6.5

6.6

2023

6.5

2020

6.7

2024

7.2