Campsite Occupancy Survey National Data by categories. Supply Level of occupation by plots at weekends by category and months. Units: % ;Total;January;February;March;April;May;June;July;August;September;October;November;December; Total;43.24;39.48;40.61;37.84;37.58;35.82;43.43;51.86;59.02;40.73;39.45;38.94;38.98; Luxury and cat. 1;43.78;40.30;40.56;36.90;38.81;36.28;44.20;53.61;61.57;41.02;38.38;36.72;36.99; cat. 2;43.04;40.08;40.85;37.94;36.72;35.98;43.25;50.56;57.66;40.74;40.42;40.56;40.84; cat. 3;42.13;32.14;39.62;40.93;36.97;33.23;41.34;51.05;55.64;39.43;39.13;38.89;37.11; Notes: Source: National Statistics Institute