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 422 458 567 839 903 1,069 1,190 1,199 1,016 657 509 458 Luxury and cat. 1 113 126 153 225 252 287 298 299 267 167 128 115 cat. 2 244 260 324 480 506 592 655 661 563 381 297 273 cat. 3 64 72 90 134 146 190 237 240 186 109 84 70 Notes: Source: National Statistics Institute