Campsite Occupancy Survey National Data. Supply Number of vacancies according to the survey by category and months. Units: number ;January;February;March;April;May;June;July;August;September;October;November;December; Total;212,697;221,372;259,031;438,189;489,254;590,527;637,813;652,081;584,491;299,349;239,199;230,284; Luxury and cat. 1;78,639;82,429;101,301;182,037;210,110;237,078;246,672;250,831;233,986;110,741;83,025;80,003; cat. 2;118,023;122,989;138,653;223,223;242,473;301,813;329,039;338,314;297,663;162,331;137,230;132,463; cat. 3;16,034;15,953;19,076;32,928;36,671;51,635;62,100;62,936;52,841;26,276;18,944;17,818; Notes: Source: National Statistics Institute