Campsite Occupancy Survey National Data. Demand Average stay of the travellers by residence and category. Units: Average stay ,Total,Luxury and cat. 1,cat. 2,cat. 3, Total,5.07,5.62,4.80,4.43, Residents in Spain,4.49,4.59,4.40,4.64, Residents abroad,6.24,7.13,5.75,3.76, Notes: Source: National Statistics Institute