Gowon (6k to 9.5k per litre) Obasanjo(9.5k to 15.3k) Shagari(15.3k) Buhari(15.3k) Babangida(15.3k to 70k) Shonekan(70k to N5) Abacha(N5 to N11) Abdulsalam(N11 to N20) Obasanjo(N20 to N70) Yar'adua(N70 to N65) The great GEJ! His Excellence Jonathan(N65 to N141 per litre) welcome to 2012 fellow Nigerian