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 251,396 284,871 357,875 567,162 631,097 724,601 762,415 764,645 676,503 424,958 305,621 272,875 Luxury and cat. 1 105,498 124,515 145,721 239,291 277,722 313,063 322,027 322,482 289,064 180,141 125,588 114,070 cat. 2 129,290 140,532 180,385 279,612 298,019 336,109 354,760 356,156 317,243 208,874 156,711 141,203 cat. 3 16,608 19,824 31,769 48,260 55,357 75,429 85,628 86,007 70,196 35,943 23,321 17,603 Notes: Source: National Statistics Institute