2020

6.4

6.6

2008

6.2

1980

5.9

2018

6.3

1975

7.0

2015

6.6

1972

6.6

2015

6.4

2024

6.6

2022

6.3

7.8

1985

6.8

2023

6.8

2024

6.0

2012

7.1

2011

6.4

1986

5.8

2020

6.4

7.0