Statistics on the Wage of Persons with Disabilities Sampling errors: variation coefficients for the annual earnings per worker variable Groups of Autonomous Communities (NUTS1) Unidades: coefficient of variation ,Total,Persons without disabilities,Persons with disabilities, National Total,0,42,0,43,2,51, Northwest,0,9,0,92,7,33, Northeast,0,78,0,8,5,53, Comunidad de Madrid,1,29,1,31,10,01, Centre,0,89,0,9,7,2, East,0,78,0,81,4,42, South,0,97,1,4,91, Canarias,1,31,1,33,8,07, 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) Northwest: Galicia, Principado de Asturias and Cantabria Northeast: PaÝs Vasco, Comunidad Foral de Navarra, La Rioja and Arag¾n Comunidad de Madrid Centre: Castilla y Le¾n, Castilla-La Mancha and Extremadura East: Catalu±a, Comunidad Valenciana and Islas Baleares South: AndalucÝa, Regi¾n de Murcia, Ciudad Aut¾noma de Ceuta and Ciudad Aut¾noma de Melilla Canarias 3) 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