1984

6.3

5.4

2012

9.4

2022

3.2

1988

6.5

2012

9.8

2013

8.4

2000

5.5

2018

8.0

2002

7.7

2015

6.2

2012

9.7

1972

6.4

2009

7.9

1973

6.2

2008

6.7

2001

8.9

2017

5.9

2017

6.8

2003

6.3