Employment and Support Allowance (ESA) replaced Incapacity Benefit and Income Support paid on the grounds of incapacity for new claims from 27th October 2008.
Statistics releases from 2008 to 2009 are available here:
https://webarchive.nationalarchives.gov.uk/+/http://research.dwp.gov.uk/asd/esa.asp
Statistics releases from 2010 onwards are available here:
https://www.gov.uk/government/collections/dwp-statistical-summaries
Source: Department for Work and Pensions (DWP)
Publisher: Department for Work and Pensions (DWP)
Geographies: Local Authority District (LAD), County/Unitary Authority, Government Office Region (GOR), National, Parliamentary Constituency
Geographic coverage: Great Britain
Time coverage: 2008 - current
Type of data: Administrative data