Survey on Households and the Environment Classification by socioeconomic variables of the selected person Percentage of persons aged 16 years old and over who have participated in activities related to the environment, by net monthly household income and type of activity Units: % over the total persons ,Have participated in an activity related to the environment,Have collaborated with an organisation alguna organización en in defence of the environment,Have participated in environmental volunteer work,Have signed petitions over situations damaging to the environment,Have demonstrated over situations damaging to the environment,Have personally reported a problem, TOTAL,19.1,4.4,3.1,14.2,6.1,3.5, Less than 1,100 Euros,12.6,2.1,1.7,9.5,4.4,2.1, From 1,101 to 1,800 euros,19.6,4.3,3.1,14.8,6.4,3.3, From 1,801 to 2,700 euros,22.6,5.5,4.2,16.8,6.1,4.4, More than 2,700 euros,31.9,7.9,3.7,24.2,10.5,6.4, Does not know/ Does not answer,16.9,4.4,3.1,12.1,5.3,3.2, Notes: Source: National Statistics Institute