Campsite Occupancy Survey National Data by categories. Demand Travellers checked in by category of establishment and months. Units: number ;Total;January;February;March;April;May;June;July;August;September;October;November;December; Total;8,304,241;125,019;168,693;308,674;642,851;671,835;1,116,439;1,553,253;2,079,339;815,409;429,661;206,152;186,917; Luxury and cat. 1;3,700,519;50,423;70,050;117,610;283,190;312,537;520,417;702,616;912,518;381,041;194,918;75,470;79,728; cat. 2;3,834,295;63,510;81,923;154,796;305,253;309,118;500,856;696,878;959,725;364,308;195,002;110,254;92,674; cat. 3;769,427;11,087;16,721;36,268;54,408;50,181;95,166;153,758;207,095;70,060;39,741;20,428;14,515; Notes: Source: National Statistics Institute