2013

8.6

2016

7.3

2022

7.1

2001

7.8

2003

8.0

1989

7.7

2000

6.9

2004

7.8

1997

8.5

2010

7.8

2000

8.0

2003

7.9

1987

7.7

2013

8.7

2017

7.1

2021

7.9

2009

7.5

2001

8.1

2005

8.3

2004

8.6