1972

6.3

1985

6.1

2020

6.4

2024

7.2

2023

6.8

2011

6.4

1992

6.4

2024

6.0

6.6

2018

6.3

2018

6.5

1953

7.2

1985

6.8

2015

6.4

2008

6.7

2023

6.4

2020

6.4

2015

6.6

6.6

2015

6.6