1978

9.7

2022

6.6

2011

8.2

2014

8.4

1997

6.3

2017

7.7

2022

6.3

2016

7.0

2018

7.3

2024

7.6

1998

8.7

1984

8.0

2017

8.5

2015

7.2

1981

6.1

1979

7.8

2021

6.8

2022

5.3

1984

8.3