2009

6.6

2024

0.0

2015

6.8

2021

6.9

2005

5.2

2006

6.4

2006

4.4

1996

5.4

1998

6.4

1989

6.8

2005

6.6

1983

6.2

1988

7.0

2011

5.0

2004

5.3

2002

6.1

2016

6.0

1978

6.3

1991

6.1

2003

6.5