You asked

I would like to make a Freedom of Information request for the number of Tier 1 (Entrepreneur) Visas granted by the UK for applicants from China in Q1 (Jan to Mar) and Q2 (Apr to June) of 2017, as well as the total each year from 2008 to 2016.

We said

Thank you for your request. We do not hold the requested information. The Home Office produce immigration statistics may be of use:

foirequests@homeoffice.gsi.gov.uk