Sampling errors: variation coefficients for the annual earnings per worker variable Groups of Autonomous Communities (NUTS1) Units: coefficient of variation Total Persons without disabilities Persons with disabilities National Total 2021 0.39 0.40 2.41 2020 0.38 0.39 2.19 2019 0.37 0.38 2.23 2018 0.42 0.43 2.43 2017 0.53 0.54 2.43 2016 0.43 0.44 2.75 2015 0.46 0.47 2.32 2014 0.42 0.43 2.51 2013 0.42 0.43 2.32 2012 0.38 0.39 2.56 2011 0.40 0.41 2.53 2010 0.37 0.37 2.60 Northwest 2021 0.85 0.90 5.10 2020 0.92 0.98 5.13 2019 0.97 1.01 5.17 2018 1.34 1.39 5.63 2017 0.96 0.99 5.53 2016 1.01 1.04 5.88 2015 0.88 0.90 6.32 2014 0.90 0.92 7.33 2013 0.83 0.86 5.94 2012 0.80 0.83 6.14 2011 0.90 0.92 7.50 2010 0.80 0.83 7.89 Northeast 2021 0.72 0.74 6.61 2020 0.77 0.80 5.35 2019 0.74 0.77 5.12 2018 0.67 0.68 6.32 2017 0.77 0.80 5.76 2016 0.72 0.75 5.72 2015 0.71 0.72 5.57 2014 0.78 0.80 5.53 2013 0.77 0.79 5.10 2012 0.71 0.74 7.33 2011 0.65 0.66 5.85 2010 0.70 0.71 6.02 Comunidad de Madrid 2021 1.09 1.12 8.05 2020 1.07 1.10 7.20 2019 1.11 1.13 7.92 2018 1.18 1.21 8.67 2017 1.86 1.89 7.40 2016 1.40 1.43 11.06 2015 1.56 1.59 6.94 2014 1.29 1.31 10.01 2013 1.31 1.33 7.06 2012 1.01 1.03 6.79 2011 1.05 1.07 6.90 2010 1.03 1.05 7.67 Centre 2021 0.81 0.84 5.11 2020 0.78 0.81 4.86 2019 0.83 0.86 5.23 2018 0.84 0.87 5.51 2017 0.89 0.94 6.95 2016 0.88 0.93 5.96 2015 0.81 0.84 5.69 2014 0.89 0.90 7.20 2013 0.87 0.89 6.52 2012 0.88 0.89 6.16 2011 0.98 1.00 6.17 2010 0.83 0.84 7.40 East 2021 0.75 0.77 4.38 2020 0.71 0.74 4.09 2019 0.66 0.68 3.96 2018 0.75 0.77 4.31 2017 0.76 0.78 4.73 2016 0.67 0.69 4.47 2015 0.71 0.73 4.09 2014 0.78 0.81 4.42 2013 0.74 0.77 4.17 2012 0.77 0.79 4.38 2011 0.84 0.86 4.95 2010 0.73 0.75 4.94 South 2021 0.90 0.94 5.74 2020 0.86 0.90 5.15 2019 0.84 0.87 5.00 2018 1.13 1.17 5.42 2017 1.38 1.44 5.19 2016 1.18 1.23 5.43 2015 1.23 1.27 5.70 2014 0.97 1.00 4.91 2013 0.98 1.01 6.02 2012 1.01 1.04 6.84 2011 1.05 1.09 6.00 2010 0.90 0.84 5.87 Canarias 2021 1.45 1.44 9.51 2020 1.55 1.58 8.83 2019 1.33 1.36 9.52 2018 1.55 1.61 8.96 2017 2.41 2.49 9.75 2016 1.70 1.76 9.21 2015 1.84 1.89 10.42 2014 1.31 1.33 8.07 2013 1.46 1.54 11.69 2012 1.32 1.27 14.40 2011 1.43 1.41 11.61 2010 1.59 1.61 9.19 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) 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. Source: Spanish National Statistics Institute