Article 19a
1. Member States shall ensure that a system is in place for the recording, production and provision of anonymised statistical data to monitor the effectiveness of their systems to combat offences referred to in this Directive. 2. The statistical data referred to in paragraph 1 shall, as a minimum, include data available at the central level on: (a) the number of registered identified and presumed victims of offences referred to in Article 2, disaggregated by registering organisation, sex, age groups (child/adult), citizenship, and form of exploitation, in accordance with national law and practices; (b) the number of persons suspected of the offences referred to in Article 2, disaggregated by sex, age groups (child/adult), citizenship, and form of exploitation; (c) the number of persons prosecuted for offences referred to in Article 2, disaggregated by sex, age groups (child/adult), citizenship, form of exploitation, and nature of the final decision to prosecute; (d) the number of prosecution decisions (i.e. charges for offences referred to in Article 2, charges for other criminal offences, decisions not to charge, other); (e) the number of persons convicted for offences referred to in Article 2, disaggregated by sex, age groups (child/adult), and citizenship; (f) the number of court judgments (i.e. acquittal, convictions, other) for the offences referred to in Article 2; (g) the number of persons suspected, persons prosecuted, and persons convicted, for offences referred to in Article 18a(1), disaggregated by sex and age groups (child/adult). 3. Member States shall transmit annually to the Commission, in principle by 30 September and, where this is not possible, at the latest by 31 December each year, the statistical data referred to in paragraph 2 for the previous year.