In May 2005, fuel in Netherlands averaged €1.311 for petrol

Petrol, monthly average€1.311/L
Diesel, monthly average€0.984/L
LPG, monthly average€0.466/L
Weekly bulletins held for May 20055

Monthly averages for Netherlands across May 2005, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).