The statistical publication “Parental Responsibility Measures in England: 2016 to 2017” includes the numbers of penalty notices issued in England in table 1. The release is available here: https://www.gov.uk/government/statistics/parental-responsibility-measures-2016-to-2017-academic-year.
The most recent figures cover the 2016/17 academic year.
The Department collects and reports on parental responsibility measures information from schools in England only. Education statistics for Wales, Scotland and Northern Ireland are available from the relevant departments.