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

,Total,
Total,2,51,
33% to 44%,2,93,
45% to 64%,5,78,
65% and over,7,91,
No data recorded,10,36,
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