2007

7.9

1992

5.8

2017

8.6

2018

8.0

2009

7.7

2008

7.6

2007

7.7

2010

8.0

1996

5.3

2014

8.3

1988

7.1

1991

7.8

2005

8.1

1995

7.8

2009

7.5

2002

7.6

2005

8.3

2023

8.1

2022

8.6

2021

8.0