Campsite Occupancy Survey National Data by categories. Supply Estimated number of open establishments by category and months. Units: number ,January,February,March,April,May,June,July,August,September,October,November,December, Total,431,461,687,814,883,1,052,1,186,1,188,996,624,491,449, Luxury and cat. 1,116,125,189,228,243,281,296,296,258,160,128,114, cat. 2,251,269,392,461,499,590,659,660,558,363,284,263, cat. 3,64,68,106,126,140,181,231,232,180,102,80,73, Notes: Source: National Statistics Institute