Line chart showing the rate of any anal, rectal or oropharyngeal chlamydia notifications, with 95% confidence intervals, over the study period for males in the age categories 15-29 years, 30-44 years, 45-59 years and 60 years and over. Rates for all ages were low and relatively similar until an increase in 2011 and a peak in 2012 among 15-29 year olds (41 per 100,000) followed by a slight decline in 2013.