1985

6.1

2020

6.4

1972

6.6

2023

6.4

2018

6.5

1975

7.0

1985

6.8

6.6

2015

6.6

2023

6.5

2011

6.4

2015

6.6

6.6

2024

6.9

2021

6.7

1993

6.5

2020

6.4

1972

6.3

2015

6.4

2018

6.3