In May 2009, fuel in Slovakia averaged €1.082 for petrol

Petrol, monthly average€1.082/L
Diesel, monthly average€1.069/L
LPG, monthly average€0.425/L
Weekly bulletins held for May 20094

Monthly averages for Slovakia across May 2009, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).