Table 2. Annual number of nonconforming cases detected in farmed eel safety inspection at the production stage from 2012 to 2021

Test items	Number of nonconformity counts/number of inspection counts
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Total
Veterinary drugs with illegal levels
Enrofloxacin/ciprofloxacin	1/61	0/51	0/84	0/90	1/103	1/131	0/153	2/174	2/238	0/107	7/1,183
Erythromycin	0/15	0/12	0/16	0/21	0/19	0/29	1/72	0/174	0/238	0/107	1/703
Trimethoprim	0/61	0/22	0/79	0/90	0/19	0/29	1/149	0/174	2/238	0/107	3/968
15 Sulfonamides	0/12	0/28	0/80	1/90	0/102	1/126	2/149	0/174	4/238	0107	8/1,106
Oxolinic acid	1/24	0/42	1/85	3/90	2/103	4/131	5/153	3/174	11/238	3/107	33/1,147
Dehydrocholic acid	0/0	0/0	0/0	0/0	0/0	0/0	1/71	2/74	0/88	3/57	6/290
Praziquantel	0/10	0/18	0/12	0/18	0/33	0/21	0/57	0/58	0/98	0/57	0/382
Banned substances
Ofloxacin	3/64	0/52	0/85	0/90	1/101	0/127	0/149	0/174	0/228	0/97	4/1,167
Norfloxacin	1/60	0/52	0/85	0/90	0/101	0/126	0/149	0/174	0/228	0/97	1/1,162
Pefloxacin	5/61	1/51	2/85	1/91	1/103	0/126	0/149	0/174	0/228	0/97	10/1,165
Nitrofurans	0/57	0/47	0/85	0/90	0/28	0/29	2/151	1/261	0/227	0/97	3/1,072
Methylene blue	0/0	0/0	0/0	0/0	0/0	0/0	0/0	0/38	0/75	0/95	0/208
Benzopyrene	0/15	1/13	0/23	0/84	0/101	0/29	0/148	0/73	0/227	0/98	1/811
Annual nonconformed counts/ inspection counts	11/1,112	2/945	3/1,351	5/1,632	5/1,594	6/2,049	12/4,496	8/5,741	19/7,142	6/4,001	77/30,063