2006

7.1

2007

7.4

2010

8.5

1998

9.0

2008

7.5

2018

7.9

2003

7.6

2012

8.4

1994

7.8

2009

8.0

2003

7.7

1995

7.3

2021

7.4

2021

7.2

1999

7.9

2004

7.7

1987

7.5

2004

8.4

2021

7.2

2019

8.4