[["", "mainline operations", "wholly-owned regional carriers", "total"], ["pilots and flight crew training instructors", "13400", "3400", "16800"], ["flight attendants", "24700", "2200", "26900"], ["maintenance personnel", "14900", "2000", "16900"], ["fleet service personnel", "16600", "3500", "20100"], ["passenger service personnel", "15900", "7100", "23000"], ["administrative and other", "16000", "2600", "18600"], ["total", "101500", "20800", "122300"]]