The Traffic Division shall annually prepare a traffic report to contain information on traffic matters in this City as follows:
(a) The number of traffic accidents, the number of persons killed or injured and other pertinent traffic accident data;
(b) The number of traffic accidents investigated, the number of drivers with bad records interrogated and other pertinent data on the safety activities of the police;
(c) The plans and recommendations of the Division for future traffic safety activities. (1950 Code, p. 191.)