In September 2005, fuel in Slovakia averaged €1.052 for petrol

Petrol, monthly average€1.052/L
Diesel, monthly average€1.050/L
LPG, monthly average€0.544/L
Weekly bulletins held for September 20054

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