Annual Labour Cost Survey 
Proportion of centers and workers by modifications in collective agreements
By activity sectors.
Units: absolute values

	TOTAL		Total modifications		Just pay scheme		Not modifications or not subject to agreement		
	Workers	Centers	Workers	Centers	Workers	Centers	Workers	Centers	
Sector total	
    2013	100.00	100.00	8.26	3.21	3.80	1.88	91.74	96.79	
    2012	100.00	100.00	11.15	4.14	5.78	2.67	88.85	95.86	
    2011	100.00	100.00	6.18	3.41	4.26	2.30	93.82	96.59	
    2010	100.00	100.00	8.28	3.85	6.51	2.74	91.72	96.15	
Industry and Construction	
    2013	100.00	100.00	7.21	3.26	4.25	1.74	92.79	96.74	
    2012	100.00	100.00	9.33	4.70	5.90	2.88	90.67	95.30	
    2011	100.00	100.00	6.97	3.99	4.53	2.68	93.03	96.01	
    2010	100.00	100.00	6.14	3.34	3.74	2.39	93.86	96.66	
Services	
    2013	100.00	100.00	8.53	3.20	3.69	1.91	91.47	96.80	
    2012	100.00	100.00	11.65	4.00	5.75	2.62	88.35	96.00	
    2011	100.00	100.00	5.94	3.25	4.19	2.19	94.06	96.75	
    2010	100.00	100.00	8.96	4.01	7.39	2.84	91.04	95.99	
Notes:
Source: National Statistics Institute