Campsite Occupancy Survey National Data by categories. Supply Estimated number of vacancies by category and months. Units: number January February March April May June July August September October November December Total 259,822 284,435 445,861 557,469 616,982 710,276 755,691 756,097 658,984 401,406 300,907 268,335 Luxury and cat. 1 110,359 119,895 184,407 241,891 274,492 313,970 323,234 322,959 281,286 165,535 124,861 111,001 cat. 2 132,906 144,198 223,357 270,566 292,560 332,334 357,758 358,195 315,466 201,708 153,361 137,820 cat. 3 16,557 20,342 38,097 45,012 49,931 63,972 74,699 74,943 62,232 34,163 22,685 19,514 Notes: Source: National Statistics Institute