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;4.90;8.78;6.92;4.80;4.17;3.97;3.99;5.13;5.25;4.79;4.57;5.76;6.63; Luxury and cat. 1;5.13;9.17;7.36;5.26;4.31;4.06;4.12;5.49;5.63;4.86;4.74;6.10;6.41; cat. 2;4.86;9.13;7.23;4.91;4.26;4.06;3.90;4.89;4.96;4.86;4.72;6.02;7.28; cat. 3;4.05;5.00;3.58;2.86;2.93;2.90;3.79;4.51;4.93;4.00;2.93;3.10;3.71; Notes: Source: National Statistics Institute