2012

6.0

2010

7.1

2006

7.2

2017

6.9

2007

8.1

2011

3.1

1965

5.5

1981

5.1

2025

10.0

2000

5.2

1935

5.2

1994

6.6

2011

5.4

2016

5.5

2010

7.0

2006

5.9

2005

4.8

2011

5.7

1995

7.4