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;7,867,359;123,538;150,770;417,647;506,722;595,744;959,068;1,548,892;1,965,971;833,615;409,548;183,527;172,317; Luxury and cat. 1;3,466,418;51,901;59,536;152,377;216,942;273,931;445,538;705,011;868,486;376,265;173,598;69,604;73,230; cat. 2;3,678,464;62,599;74,117;220,483;248,938;278,966;438,381;696,151;903,874;379,768;198,197;92,618;84,372; cat. 3;722,477;9,038;17,117;44,787;40,842;42,847;75,149;147,731;193,611;77,582;37,753;21,304;14,715; Notes: Source: National Statistics Institute