Campsite Occupancy Survey National Data by categories. Demand Average stay of the travellers by residence and category. Units: Average stay Total Luxury and cat. 1 cat. 2 cat. 3 Total 4.95 5.30 4.94 3.33 Spaniards 3.86 4.13 3.77 3.26 Foreigners 7.07 7.19 7.34 3.62 Notes: Source: National Statistics Institute