In each of the three areas, the highest coverage rates - of over 90 per cent - were recorded in the South and South-East in 1999, while the North and North-East showed the lowest rates (between 55 per cent and 80 per cent).
Si l'on considère les trois régions, les mieux desservies (à plus de 90 %) en 1999 étaient le sud et le sud-est, les moins bien desservies le nord et le nord-est (entre 55 et 80 %).