Mae'r cynnwys hwn ar gael yn Saesneg yn unig.

Interactive report 2021

Mobile Matters 2021: interactive report

For the best experience, expand to full screen (click on the button in the bottom right corner). To quickly navigate to different pages, click on the page numbers at the bottom of the tool to bring up the list of pages.

To request this information in an alternative format, call 020 7981 3040, use textphone 020 7981 3043 or write to the Digital team.