Campsite Occupancy Survey National Data by categories. Supply Estimated number of vacancies by category and months. Units: number ,January,February,March,April,May,June,July,August,September,October,November,December, Total,251,396,284,871,357,875,567,162,631,097,724,601,762,415,764,645,676,503,424,958,305,621,272,875, Luxury and cat. 1,105,498,124,515,145,721,239,291,277,722,313,063,322,027,322,482,289,064,180,141,125,588,114,070, cat. 2,129,290,140,532,180,385,279,612,298,019,336,109,354,760,356,156,317,243,208,874,156,711,141,203, cat. 3,16,608,19,824,31,769,48,260,55,357,75,429,85,628,86,007,70,196,35,943,23,321,17,603, Notes: Source: National Statistics Institute