June 2019 1,678 July 2019 1,839 Aug 2019 1,725 Sept 2019 1,358 Oct 2019 1,647 Nov 2019 1,431 Dec 2019 991 Jan 2020 1,500 Feb 2020 1,293 Mar 2020 789 Apr 2020 34 May 2020 19 Notes 1. The data does not take account of patients recruited into other types of research. 2.