2008

7.0

2016

6.7

2014

5.6

2021

7.4

2006

6.1

1964

7.0

2008

7.5

1967

5.5

2023

6.5

2017

6.6

2005

6.9

1940

7.9

1966

7.6

7.8

1995

7.8

1982

7.0

2000

6.7

2017

6.1

2014

6.5

2013

6.7