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 413 448 603 840 886 1,054 1,183 1,186 1,008 644 501 448 Luxury and cat. 1 115 123 159 231 248 285 296 297 266 169 129 117 cat. 2 241 261 350 482 505 584 654 654 561 371 293 262 cat. 3 57 63 93 127 133 184 233 235 181 105 79 69 Notes: Source: National Statistics Institute