1967

6.5

2017

6.0

1966

6.5

2015

7.1

2013

6.1

2014

7.5

1965

6.7

2010

5.8

2016

6.1

1994

5.9

2014

6.2

2005

5.4

2022

6.3

1987

5.5

2014

6.3

2016

6.8

1955

7.2

2014

7.1

2009

5.4

2013

5.5