2004

9.5

2006

6.7

2018

6.3

1967

7.1

2020

5.4

1989

5.9

1977

7.6

2005

9.9

1996

7.5

1970

6.0

1984

6.2

1979

6.0

2022

7.1

1980

5.8

2008

7.7

2016

6.8

2007

6.9

9.0

2006

9.8

2023

6.7