자료 중 기타 건축물은 층 수를 알 수 없어 5층으로 분류하였고, 31층 이상은 40층까지로 분류하였으며, 범위가 지정되어 있는 층은 중간값으로 산정하였다.
Other buildings were classified into five floors because the number of floors in the data was unknown, and the 31st or higher floors were classified into 40 floors, and the designated floors were calculated as intermediate.