1992

6.8

2017

5.7

2022

10.0

2007

8.5

1979

4.7

2020

7.2

2002

2.9

2013

8.0

1996

6.7

2015

8.2

2019

8.2

2021

7.4

2022

7.8

2020

9.0

2024

6.7

2014

7.5

1981

8.3

2020

7.5

2014

7.6