Axier is right. I have Negra d'Agde and in previous years it produced some pretty fruit but never an abundant crop. Not one fig this year from the tree!
As Axier suggests, climate and, in my case, altitude may be contributing factors. Now, in comparison, Violette Dauphine is the exact opposite. Very productive and excellent figs- I've yet to make a final conclusion but this one resembles my Noire de Barbentane very much.