Statistics on the Wage of Persons with Disabilities  
Sampling errors: variation coefficients for the annual earnings per worker variable
Age group
Unidades: coefficient of variation

	Total	Persons without disabilities	Persons with disabilities	
Total	0,42	0,43	2,43	
16 to 29 years old	1,4	1,41	8,36	
30 to 44 years old	0,68	0,68	5,2	
45 years old and older	0,73	0,75	2,61	
Notas:
Persons with disabilities refers to persons formally recognised as disabled, with a degree of dissability of  33% or over, according to the procedure for evaluating this established in the RD 1971/1999 and modified by the RD 1856/2009.

 2) When the box is marked with a '-' sign before the data, it indicates that the number of sample  observations is between 100 and 500, so the figure is subject to great variability.
Fuente: Spanish National Statistics Institute