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