text: otherwise similar data (i.e. first treatment presentation and year of initiation) from OCUs attending treatment in the 
  Manchester area. 
  21 Note that the data for 2014 only includes Jan–Oct as this was all that was available. Hence we do not do not attempt to 
  
  calculate an incidence estimate for 2014 and we adjust all the values in that column by multiplying by (12/10) to account for 
  the missing months. 
  
  New opiate and crack-cocaine users: characteristics and trends  24 