1991

7.6

1998

8.6

2019

7.3

4.4

2014

10.0

2016

7.3

2024

6.0

1969

7.1

2006

6.7

2003

6.6

2025

8.0

2018

7.4

2017

7.0

1962

7.5

2004

10.0

2023

7.2

2015

7.0

2023

7.0

2020

10.0

2015

5.3