Campsite Occupancy Survey National Data. Supply Employed personnel by category and months. Units: number ;January;February;March;April;May;June;July;August;September;October;November;December; Total;224,205;213,012;283,179;536,157;640,212;885,685;1,506,110;1,621,220;859,886;360,841;261,697;278,160; Luxury and Cat. 1;91,181;86,111;119,076;233,085;303,001;446,350;703,704;758,095;402,778;144,251;98,939;112,397; Cat. 2;121,051;115,736;147,698;275,495;300,605;385,741;693,692;747,821;400,729;193,472;144,397;147,893; Cat. 3;11,972;11,164;16,403;27,576;36,605;53,593;108,712;115,303;56,379;23,117;18,360;17,869; Notes: Source: National Statistics Institute