1966

6.1

1972

6.7

2015

6.5

6.5

6.6

2023

7.4

2020

6.5

2020

7.2

2023

6.8

2021

7.6

2014

6.9

2024

5.2

5.6

2025

0.0

2013

6.0

1971

4.5

2015

6.4

3.0

6.7

1985

6.8