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