2003

6.4

2024

6.0

2021

9.2

2012

6.0

1972

6.3

2010

7.0

1996

8.0

2006

6.5

2009

6.7

2011

7.2

2013

7.6

2007

7.3

2013

6.1

1984

6.9

2013

5.4

1995

5.9

2006

6.9

2006

6.0

1964

7.4

1990

5.5