1990

6.9

1989

7.5

2019

10.0

2016

8.0

1976

6.0

2018

7.0

2015

6.5

6.0

2023

10.0

2024

9.2

2012

4.7

1969

10.0

2020

7.5

2017

4.5

2002

9.0

2012

8.0

1996

0.0

2018

7.0

2009

7.0