3. Presentation of Results A total of 663 respondents were sampled. Out of that, a total of 597 copies of the questionnaire (representing a 90% return rate) were retrieved and found useable, whereas 66 copies of the questionnaire representing 10%, were not retrieved or were retrieved but wrongly filled and, as such was not included in the analysis. Therefore, this study’s analysis, discussion and conclusion revolved around the 90% valid copies of the questionnaire.