Responses to the customer survey conducted annually by HSY, question 11: "Which of the following types of waste do you sort yourself and how regularly?", years 2007-2017.
The survey examines the behaviour of the residents of the Helsinki metropolitan area concerning waste, as well as their opinions on the information, advice and collection services of waste management. The survey was targeted at people over the age of 18 in Helsinki, Espoo, Vantaa, Kauniainen and Kirkkonummi.
![[Open Data]](/data/base/images/od_80x15_blue.png)