1968

6.9

2012

6.4

2011

5.7

2019

9.2

1985

6.1

2025

5.8

2024

7.3

2022

6.3

1956

6.2

2010

6.0

2014

5.8

2024

6.2

2005

5.7

2006

5.7

1970

6.0

2019

6.3

2025

6.5

2012

5.8

2021

6.7

2012

6.4