One table compatible with the choices already made
Number of schools by characteristics of the school building (Percentage value) by school environment
school level: pre-primary, primary, lower secondary, upper secondary
presence: presence, absence, not answer
characteristics of school building: slip road ramp, stairs according to law, lift according to law, stair lift and/or lift platform, toilet according to law, doors according to law, ..., accessible internal routes, accessible external routes