This is an archive of supplementary information requests made prior to 2020.
For the supplementary information requests after 2019, visit our new supplementary information page.
Supplementary information archive
2019 Supplementary information files
We make all requests for additional data and statistics available to the public.
2018 Supplementary information files
We make all requests for additional data and statistics available to the public.
2017 Supplementary information files
We make all requests for additional data and statistics available to the public.
2016 Supplementary information files
We make all requests for additional data and statistics available to the public.
2015 Supplementary information files
We make all requests for additional data and statistics available to the public.
2014 Supplementary information files
We make all requests for additional data and statistics available to the public.