Well, for some reason — perhaps because French media outlets rarely (if ever) dwell upon such matters — the afore-mentioned cynics make much less noise about this LGF statistic (merci à Grégoire et Steve).
Incidentally, Steve notes the plethora of "said-with-irony quotemarks" around words such as "extremist groups", "Salafi", "emergency", and "Islamic" extremism. As for a French jail, it is called a
Concentration camp …! No irony quotemarks there! Thanks, Islam Online! We Americans now have an easy retort for snooty French remarks about Guantanamo Bay.