1. Member States shall, for the purposes of contributing to the preparation of risk assessment pursuant to Article 7, ensure that they are able to review the effectiveness of their systems to combat money laundering or terrorist financing by maintaining comprehensive statistics on matters relevant to the effectiveness of such systems.

2. The statistics referred to in paragraph 1 shall include:

(a) data measuring the size and importance of the different sectors which fall within the scope of this Directive, including the number of natural persons and entities and the economic importance of each sector;

(b) data measuring the reporting, investigation and judicial phases of the national AML/CFT regime, including the number of suspicious transaction reports made to the FIU, the follow-up given to those reports and, on an annual basis, the number of cases investigated, the number of persons prosecuted, the number of persons convicted for money laundering or terrorist financing offences, the types of predicate offences, where such information is available, and the value in euro of property that has been frozen, seized or confiscated;

(c) if available, data identifying the number and percentage of reports resulting in further investigation, together with the annual report to obliged entities detailing the usefulness and follow-up of the reports they presented;