2008

5.2

2024

6.0

1975

7.1

1985

6.9

2023

6.9

2020

6.5

2011

6.8

2012

6.0

2003

7.2

2017

5.9

2013

4.8

2015

6.6

2023

8.0

1977

6.5

2018

6.5

1961

6.9

1993

5.4

2022

6.0