1998

8.7

2019

7.8

1946

6.0

2016

8.0

2011

6.3

2017

8.2

2005

10.0

2009

6.9

2024

5.0

1994

4.5

2022

8.0

2008

0.0

1997

2.6

2023

6.8

2013

9.0

1987

7.0