1985

7.0

2015

6.6

1972

6.3

2015

6.7

2023

6.8

2015

7.4

1975

7.0

2020

6.5

6.6

2024

7.7

2024

6.1

2021

7.7

2018

6.4

2023

6.6

2015

6.4

2020

6.7

1993

6.5

6.6

2006

6.8

1980

5.9