2024

6.1

1985

6.1

2023

6.8

2020

6.5

2021

6.1

2019

5.3

6.5

2015

6.6

1975

4.9

2011

6.7

2011

6.8

2002

6.6

2010

9.2

1972

6.5

1975

6.9

6.7

1972

6.3

6.7

2015

6.4

2017

6.6