To ask the Secretary of State for the Home Department if he will collate and publish data from police authorities on (a) the number of towns in which St. Patrick's Day parades are held each year, (b) police estimates of the number of participants in parades of over 1,000 persons for each of the last 10 years and (c) the number of parades which raised public order concerns. [66963]

This information is not held centrally. There are no plans to request this information from police authorities, which could be obtained only at disproportionate cost.