www.stat.fi/til/tyti/2018/02/tyti_2018_02_2018-03-20_tau_013_en.html
... 2018, February. Statistics Finland Inquiries: Ulla Hannula 029 551 2924, Pertti Taskinen 029 551 2690, tyovoimatutkimus@stat.fi Director in charge: Jari Tarkoma Updated 20.03.
03/20/2018