2003

7.1

1994

7.0

2020

7.5

2005

8.1

2008

7.5

1998

7.2

2021

7.9

2009

7.6

2002

7.9

1998

7.2

2001

7.8

2005

7.2

1992

7.2

2010

8.2

2015

7.9

2016

7.3

2015

8.1

2001

7.3

2017

8.1

1996

6.8