2008

6.8

2024

5.9

2024

6.0

2006

6.7

2004

5.2

1970

3.8

1967

6.9

1964

5.5

2014

4.8

2003

6.0

2017

0.0

1991

7.4

2002

6.2

2013

1.7

1995

6.5

2013

6.2

2014

6.0

2022

0.0

1999

4.6

1978

6.1