Calls

4.5

/

2007

7.266

/

2007

5.8

/

2002

5.992

/

2009

6.9

/

2013

6.695

/

2010

7.185

/

1998

6.904

/

2014

6.4

/

2014

6.547

/

2008

6.3

/

1969

7.535

/

2013

6.662

/

2011

6.9

/

2011

8.692

/

2008

7.2

/

2014

7.221

/

2012

6.731

/

2011

6.796

/

2008

7

/

2015