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 2022 0.42 0.43 2.64 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 Industry and Construction 2022 0.57 0.58 5.15 2021 0.51 0.53 4.08 2020 0.49 0.51 3.73 2019 0.50 0.52 3.82 2018 0.50 0.52 3.71 2017 0.55 0.56 3.86 2016 0.52 0.54 3.82 2015 0.57 0.58 3.71 2014 0.51 0.53 3.70 2013 0.55 0.56 4.23 2012 0.48 0.49 4.55 2011 0.52 0.53 4.00 2010 0.46 0.46 5.03 Services 2022 0.51 0.52 2.98 2021 0.47 0.49 2.78 2020 0.46 0.48 2.53 2019 0.45 0.47 2.58 2018 0.52 0.54 2.84 2017 0.67 0.69 2.84 2016 0.54 0.55 3.23 2015 0.57 0.59 2.70 2014 0.53 0.54 2.99 2013 0.52 0.53 2.66 2012 0.48 0.49 2.94 2011 0.51 0.52 2.96 2010 0.47 0.48 2.99 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