Northern Ireland's 18 MPs claimed almost £2m in allowances last year, House of Commons figures have shown.
Sinn Fein MPs do not take their parliamentary seats
The 2005/06 payments show that, on average, Northern Ireland's MPs claimed just over £104,000 each.
The DUP's nine MPs claimed a total of just over £1.1m, while the SDLP's three representatives claimed £400,236.
Sinn Fein's five MPs, who do not take their seats at Westminster or accept a salary, claimed £200,000. The UUP's Lady Sylvia Hermon claimed £122,333.
Ian Paisley £125,670
Peter Robinson £133,490
Nigel Dodds £146,451
Jeffrey Donaldson £152,722
Iris Robinson £130,184
Sammy Wilson £117,199
David Simpson £96,389
Gregory Campbell £139,014
William McCrea £106,238
Jeffrey Donaldson, the DUP's MP for Lagan Valley, claimed the most in allowances with a figure of £152,722.
Out of Northern Ireland's MPs who sit at Westminster, DUP Upper Bann MP David Simpson claimed the least expenses with a figure of £96,389.
Sinn Fein expenses
Gerry Adams £46,251
Martin McGuinness £42,613
Michelle Gildernew £40,898
Conor Murphy £38,910
Pat Doherty £38,049
MPs are paid a basic salary of £59,686 and a pension. Their allowances include office staffing costs and travel.
Sinn Fein's MPs do not claim salaries
The total cost of all of the UK MPs' expenses came to almost £86.8m, an increase of nearly £6m on the previous year.
Mark Durkan £130,294
Alasdair McDonnell £142,304
Eddie McGrady £127,638
The average UK expenses claim for 2005/06 came to about £131,000 per MP.
Up to £87,276 is available for salaries for researchers, secretaries and other staff.
Other allowances can be claimed for travel on parliamentary business, office costs, stationery, postage and computer equipment.
MPs representing constituencies outside central London can claim about £20,000 for the cost of staying near Parliament.