(a) Cumulative proportion of reported cases of primary and secondary syphilis by source, 2000–10. Note: The following sources (Prenatal, Laboratory, Military, Drug Treatment, Blood Bank, National Job Training Program, Indian Health Services, Missing, Tuberculosis Clinic, Labour and Delivery, School-Based Clinic and Mental Health Provider) were not labelled because they were ≤2% in all the years examined. STDC, sexually transmitted disease clinics; HMO, health maintenance organisation. (b) Cumulative proportion of reported cases of gonorrhoea by source, 2000–10. Note: The following sources (Prenatal, Military, HIV Counselling and Testing Sites, Indian Health Services, National Job Training Program, Drug Treatment, Labour and Delivery, Tuberculosis Clinic, Blood Bank, School-Based Clinic and Mental Health Provider) were not labelled because they were ≤2% in all the years examined. (c) Cumulative proportion of reported cases of chlamydia by source, 2000–10. Note: The following sources (Military, HIV Counselling and Testing Sites, Indian Health Services, National Job Training Program, Drug Treatment, School-Based Clinic, Labour and Delivery, Tuberculosis Clinic, Blood Bank and Mental Health Provider) were not labelled because they were ≤2% in all the years examined.