www.stat.fi/til/tyti/2018/03/tyti_2018_03_2018-04-24_tau_036_en.html
... 2018, March. Statistics Finland Inquiries: Pertti Taskinen 029 551 2690, Henri Lukkarinen 029 551 3704, tyovoimatutkimus@stat.fi Director in charge: Jari Tarkoma Updated 24.4.
04/24/2018