1971

7.5

2005

7.0

1958

7.5

1996

7.3

1953

7.3

2007

6.3

1973

7.3

1981

6.1

2015

8.2

2003

6.3

2012

7.0

2023

8.0

2000

6.1

2019

6.0

2010

6.5

2009

5.7

2022

7.1

1977

6.9

1965

6.3

1999

7.7