1984

8.4

2016

10.0

2004

8.1

1990

7.4

2023

7.1

1983

7.8

2004

5.9

2003

5.4

2019

7.3

2007

7.0

2009

5.5

1959

7.3

2001

5.9

2018

5.4

2008

6.7

2011

6.7

2024

0.0

2008

5.4

2007

7.6

1999

7.2