Campsite Occupancy Survey National Data by categories. Demand Overnight stays of travellers by category of establishment and months. Units: number ,Total,January,February,March,April,May,June,July,August,September,October,November,December, Total,36,639,715,1,021,248,1,070,824,2,001,701,1,751,884,2,346,489,3,457,378,7,522,724,10,424,527,3,345,692,1,707,881,943,648,1,045,719, Luxury and cat. 1,17,270,218,422,762,447,022,856,821,822,477,1,128,976,1,720,500,3,692,376,5,074,482,1,577,952,729,893,376,436,420,522, cat. 2,17,112,344,560,834,580,671,1,029,735,836,531,1,099,815,1,533,436,3,310,463,4,591,870,1,579,898,889,915,520,600,578,575, cat. 3,2,257,152,37,652,43,130,115,146,92,876,117,698,203,442,519,885,758,174,187,841,88,073,46,611,46,622, Notes: Source: National Statistics Institute