Campsite Occupancy Survey National Data. Supply Estimated number of establishments open by category and months. Units: number January February March April May June July August September October November December Total 414 419 548 764 792 1,046 1,104 1,107 1,068 557 443 436 Luxury and cat. 1 88 88 113 171 182 213 225 225 219 125 97 93 cat. 2 252 257 338 465 470 622 651 655 632 328 265 261 cat. 3 74 74 97 128 140 211 228 227 217 104 81 82 Notes: Source: National Statistics Institute