1989

7.3

2004

6.0

2020

6.8

2019

7.7

2025

4.9

2012

9.3

2007

7.3

2009

6.2

2024

6.8

2019

6.4

2004

6.2

2017

6.6

2015

5.7

2018

7.1

2020

4.8

1959

6.8

2017

7.2

1967

7.3

2017

5.6