1969

6.5

1999

7.2

2006

6.4

1987

6.0

1980

6.7

2014

6.8

2022

7.2

1968

6.3

2021

7.7

1972

7.5

1993

6.1

2025

6.6

2016

7.7

1955

8.0

1968

6.3

2010

6.3

2025

7.4

2025

6.3

2013

6.1