http://news.bbc.co.uk/2/hi/middle_east/6243644.stm
Last year they already needed to import refined petrol for 3-4 billion bollars. Roughly 40% of the oil they produce they are consuming themselves, which leaves their exports producing too little income from their oil, instead they spend money on feeding their growing energy needs (which tripled since 1980). The old currency was the Toman, at times of the Schah one Euro today would have counted for around 3 Toman. thanks to the sophisticated policies and economical knowledge of Khomeni and his successors, 1 Euro today buys only 1200-1400 Toman. current inflation rate of recent years is 13-15%