1998

6.1

2004

5.5

1984

7.5

1964

6.6

2017

10.0

2024

6.5

2022

6.5

2019

7.0

1999

5.9

1996

6.5

2003

6.3

2016

6.7

2017

6.9

2020

6.5

2000

7.3

2006

6.7

2017

6.1

2008

5.8

1988

6.2

2014

6.7