Campsite Occupancy Survey National Data. Demand Travellers checked in by category of establishment and months. Units: number Total January February March April May June July August September October November December Total 4,367,782 58,959 60,882 103,247 310,081 255,674 387,644 1,076,358 1,501,769 330,774 143,416 72,849 66,122 Luxury and cat. 1 1,597,793 22,672 21,358 38,102 117,099 103,495 154,945 389,589 517,701 117,851 57,825 29,628 27,522 cat. 2 2,365,364 31,333 32,235 52,703 169,952 128,598 196,813 594,413 839,898 178,961 72,715 36,100 31,638 cat. 3 404,624 4,953 7,288 12,441 23,030 23,580 35,886 92,355 144,169 33,961 12,874 7,121 6,961 Notes: Source: National Statistics Institute