Surveys on Waste Generation
Sample errors
Sample errors by economic activity (CNAE-2009) and type of danger.
Units: percentage

	Non-hazardous					Hazardous					
	2020	2018	2016	2014	2012	2020	2018	2016	2014	2012	
INDUSTRY TOTAL. From 05 to 35 divisions	3.23	1.55	6.68	1.89	2.31	1.66	1.55	4.24	4.29	5.17	
Extractive Industries. 05,06,07,08,09	0.80	1.79	11.99	2.91	2.03	3.79	5.00	6.86	4.36	9.44	
Food, beverage and tobacco industry. 10,11 and 12 divisions	5.56	8.98	7.21	6.80	7.28	10.52	6.50	4.56	6.78	14.17	
Textile and clothing industry. 13, 14 and 15 divisions	11.77	6.11	5.93	5.13	11.30	11.70	8.36	7.57	8.38	15.37	
Wood and cork industry. 16 division	13.34	23.03	17.89	21.11	11.82	5.99	6.50	9.23	10.14	11.23	
Paper Industry, publishing, graphic arts. 17 and 18 divisions	2.18	4.09	4.48	2.19	8.79	5.43	4.95	4.52	8.47	16.24	
Coke and refinement of petroleum. 19 division.	0.07	0.01	0.18	0.11	0.06	0.03	0.21	17.90	1.90	1.39	
Chemical Industry and Rubber and plastic products. 20, 21 and 22 division	3.17	2.84	2.40	3.40	7.93	3.84	4.84	3.21	3.74	4.10	
Other non-metallic ore products industries. 23 division	21.60	7.93	11.59	13.75	24.10	9.70	4.97	11.06	6.64	13.49	
Metallurgy and manufacture of metallic products except of maquinary and equipment. 24 and 25 divisions	2.18	1.11	2.93	2.58	4.46	2.16	1.09	7.36	7.40	9.60	
Manufacture of computer and electronic products, maquinary and transpor material. 26,27,28,29 and 30 divisions.	1.75	1.20	2.10	3.18	2.58	2.51	1.20	3.33	3.34	1.75	
Furnitures and other manufacturing industries. Repair and maquinary and equipment instalation. 31,32 and 33 divisions.	5.15	6.83	6.46	8.02	7.06	9.92	6.46	6.09	9.82	5.55	
Distribution of electrical energy, gas and air conditioner. 35 division.	42.33	2.89	7.41	1.34	3.72	15.49	1.68	5.04	1.34	3.18	
Notes:
Source: National Statistics Institute