Campsite Occupancy Survey National Data by categories. Demand Average stay of the travellers by category of establishment and months. Units: Average stay ;Total;January;February;March;April;May;June;July;August;September;October;November;December; Total;4.98;8.81;7.39;4.54;4.32;4.43;4.03;5.03;5.36;4.52;4.78;6.13;6.84; Luxury and cat. 1;5.26;8.91;8.07;4.90;4.64;4.80;4.34;5.36;5.70;4.61;4.99;6.49;6.79; cat. 2;4.92;9.35;7.83;4.60;4.31;4.34;3.92;4.79;5.13;4.53;4.95;6.55;7.37; cat. 3;3.95;4.47;3.07;3.02;2.68;2.72;2.84;4.60;4.92;4.05;2.97;3.10;4.09; Notes: Source: National Statistics Institute