URL: https://data.nantou.gov.tw/it/dataset/f8ec1db6-e528-4aef-b187-f946f7182e41/resource/85f20286-8808-4ab7-b86c-d807343f24e6/download/202407090853501.csv
受檢人數、視力正常人數、視力不良人數
