1979

6.0

2024

6.4

1993

7.0

2023

10.0

2006

7.2

1988

7.8

1994

8.5

1994

6.6

2008

6.5

2008

7.4

2005

6.2

2014

6.7

2004

5.8

2010

8.0

2024

0.0

2002

6.3

1986

6.3

2009

6.8

2013

6.1

1969

5.4