1993

6.7

2015

8.3

2018

8.2

2002

7.5

2011

8.5

2005

7.7

2020

7.7

2012

6.9

2009

8.0

2024

7.6

1995

7.3

2007

7.9

1986

8.3

2016

8.6

2019

8.0

1996

8.0

2005

7.7

2009

5.8

1969

7.8

2010

6.3