Surveys
1 of February 2013 г. - 15 of February 2013 г.
24 of January 2013 г. - 31 of January 2013 г.
13 of January 2013 г. - 23 of January 2013 г.
19 of November 2012 г. - 30 of November 2012 г.
1 of November 2012 г. - 7 of November 2012 г.
26 of October 2012 г. - 29 of October 2012 г.
7 of October 2012 г. - 25 of October 2012 г.
14 of November 2015 г. -
