2001

7.8

2020

6.5

2008

6.7

1982

7.6

1998

5.3

2022

7.0

2010

7.4

2003

6.1

2005

5.1

2004

8.0

1992

6.7

2015

7.5

1996

8.1

1978

7.7

2012

6.2

2009

6.5

1992

7.5

2011

7.4

2004

7.8

2006

7.7