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,252,254,275,670,378,873,569,396,622,376,714,979,762,339,763,472,680,050,425,399,304,213,271,782, Luxury and cat. 1,110,882,117,540,150,243,242,458,273,872,315,861,319,252,319,558,287,259,179,444,126,572,117,556, cat. 2,126,627,140,032,196,030,281,233,298,975,333,720,358,761,358,998,321,882,211,222,155,839,136,238, cat. 3,14,745,18,099,32,600,45,705,49,528,65,399,84,326,84,917,70,909,34,733,21,801,17,988, Notes: Source: National Statistics Institute