Fuente de los datos: Gobierno de Aragón. IAEST / Ministerio de Cultura, Estadística de Bibliotecas. Principal observation: 2024; bulletin26January2026; PX HTTP modification8July2026; retrieved28October2026. Dataset-specific CC BY4.0 terms: https://opendata.aragon.es/informacion/terminos-de-uso-licencias . The general portal terms delegate Open Data reuse to these dataset terms. Retain source/date attribution, preserve meaning and identify changes. Changes: ISO-8859-15 PX decoded as UTF-8, reshaped, response/type shares calculated, source-unit and source-consistency annotations added. Original analysis, writing and code: Alisson Bento; reuse with attribution, study link and indication of changes. No government endorsement, logos, source PDF republication or licence for unrelated source material is implied. Registrations and visits are different units; no unique-person or current-service claim.