Campsite Occupancy Survey National Data. 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,4,367,782,58,959,60,882,103,247,310,081,255,674,387,644,1,076,358,1,501,769,330,774,143,416,72,849,66,122, Luxury and cat. 1,1,597,793,22,672,21,358,38,102,117,099,103,495,154,945,389,589,517,701,117,851,57,825,29,628,27,522, cat. 2,2,365,364,31,333,32,235,52,703,169,952,128,598,196,813,594,413,839,898,178,961,72,715,36,100,31,638, cat. 3,404,624,4,953,7,288,12,441,23,030,23,580,35,886,92,355,144,169,33,961,12,874,7,121,6,961, Notes: Source: National Statistics Institute