(49)Feedback on the usefulness and follow-up of the suspicious transactions reports they present should, where practicable, be made available to obliged entities. To make this possible, and to be able to review the effectiveness of their systems for combating money laundering and terrorist financing, Member States should maintain, and improve the quality of, relevant statistics. To further enhance the quality and consistency of the statistical data collected at Union level, the Commission should keep track of the Union-wide situation with respect to the fight against money laundering and terrorist financing and should publish regular overviews.