You asked
Please provide the following:
The number of mail items sent per year by the Office for National Statistics from 2012 to 2017 through an external mail provider (e.g. Royal Mail or TNT)
The proportion of these mail items sent through Royal Mail vs. other mail providers annually from 2012 to 2017
We said
Thank you for your request.
The annual count of mail items is provided below.
Mail is primarily posted via our contract with UK Mail, and where this is not possible, via Royal Mail. We do not hold a breakdown of this information and so are unable to provide a proportional split.
2012 - 3,045,796
2013 - 2,857,711
2014 - 2,506,562
2015 - 2,648,212
2016 - 2,436,791
2017 - 2,444,163
2018 - 2,047,301