Household identifier
0 = 1 person sampled per household

-9 = not included in survey
11 = Ile De France
21 = Champagne-Ardennes
22 = Picardie
23 = Haute-Normandie
24 = Centre
25 = Basse-Normandie
26 = Bourgogne
31 = Nord-Pas-De-Calais
41 = Lorraine
42 = Alsace
43 = Franche-Comté
52 = Pays de la Loire
53 = Bretagne
54 = Poitou-Charente
72 = Aquitaine
73 = Midi-Pyrénées
74 = Limousin
82 = Rhône-Alpes
83 = Auvergne
91 = Languedoc-Roussillon
93 = Provence-Alpes-Côte d'Azur
94 = Corse