Statistics on the Wage of Persons with Disabilities  
Sampling errors: variation coefficients for the annual earnings per worker variable
Activity Sector
Units: coefficient of variation

,Total,Persons without disabilities,Persons with disabilities,
All activity sectors,0.42,0.43,2.64,
Industry and Construction,0.57,0.58,5.15,
Services,0.51,0.52,2.98,
Notes:
1) 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.
Source: Spanish National Statistics Institute