1996

6.5

2017

6.5

2019

6.5

1988

6.5

1980

5.9

2017

6.6

2021

6.2

2019

5.4

1996

6.9

1995

4.6

1987

6.0

2020

6.5

2006

6.1

2019

6.6

1999

5.9

1987

5.3

1993

6.5

2008

5.8

1966

6.2

2005

5.2