| Respondents | Number of cases in the last year | Number of cases in the last 5 years |
| 14 respondents (11%) | 0 cases | 0 cases |
| 60 respondents (46%) | At least 1 case | At least 1 case |
| 46 respondents (35%) | Between 1 and 5 cases | Between 1 and 5 cases |
| 11 respondents (8%) | Over 5 cases | Over 5 cases |