mps_area: South East
officer_ocu: South East
reason_for_stop: B Drugs (s.23 Misuse of Drugs Act)
outcome: 14 Caution (simple or conditional)
outcome_reason: Y Psychoactive Substances                         
ethnic_appearance_code: 5 Chinese Japanese or South East Asian           
self_defined_ethnicity_code: N4 Person decli