One heck of a devaluation

How much has the Guinean franc depreciated since the arrival of Lansana Conté as Guinea's leader? The US dollar bought approximately this number of Guinean francs (FG)

Early 1986: 25 FG
After 1986 devaluation: 300 FG
1996: 1,000 FG
March 2006: 4,500 FG



(Sources: Jeune Afrique and my personal journal)