Table 1 Characteristics of survey respondents (n = 200)

•North west

27 %

•North east

15 %

•Center

25 %

•South

33 %

 • male

71 %

 • female

29 %

 • ≤35

14 %

 • between 35 and 45

13 %

 • between 46 and 54

37 %

 • >55

49 %

 • ≤15 years

17 %

 • between 16 and 20 years

21 %

 • between 21 and 25 years

26 %

 • >25 years

36 %

 • ≤100

16 %

 • between 101 and 300

32 %

 • >300

52 %