2015

6.7

2018

6.5

1985

6.9

2023

6.9

2020

6.5

2024

6.0

1975

7.1

1972

6.3

2008

6.7

1985

6.1

6.6

7.1

2020

6.4

2015

6.4

6.6

2015

6.6

2018

6.3

1992

6.4

2023

6.4

2024

7.7