Surveys
16 of April 2015 г. - 26 of May 2015 г.
20 of March 2015 г. - 6 of April 2015 г.
2 of March 2015 г. - 11 of March 2015 г.
6 of February 2015 г. - 28 of February 2015 г.
13 of January 2015 г. - 31 of January 2015 г.
11 of December 2014 г. - 30 of December 2014 г.
25 of October 2014 г. - 10 of December 2014 г.
16 of October 2014 г. - 24 of October 2014 г.
1 of July 2014 г. - 16 of August 2014 г.
25 of March 2014 г. - 23 of May 2014 г.
9 of March 2014 г. - 20 of March 2014 г.
24 of January 2014 г. - 28 of February 2014 г.
2 of December 2013 г. - 30 of December 2013 г.
26 of November 2013 г. - 2 of December 2013 г.
5 of November 2013 г. - 26 of November 2013 г.
15 of August 2013 г. - 24 of August 2013 г.
16 of May 2013 г. - 31 of May 2013 г.
1 of May 2013 г. - 16 of May 2013 г.
28 of March 2013 г. - 20 of April 2013 г.
17 of February 2013 г. - 28 of February 2013 г.
