100% (TOCC) (PPE) PPE 2021 5 27 ~ 6 3 8 4 2020 COVID-19 54 1,824 12 439 2021 45 1,010 6G 10 14 126 100% 100% 100% 100% COVID-19 2020 2 5 ~7 16 PPE 2020 81 2021 40 1,337 121 122 100% PPE Chapter3 01