www.stat.fi/til/tyti/2020/12/tyti_2020_12_2021-01-28_kuv_004_en.html
... 2020, December. Statistics Finland Inquiries: Tatu Leskinen 029551 3285, Ulla Hannula 029 551 2924, tyovoimatutkimus@stat.fi Head of Department in charge: Hannele Orjala Updated 28.
01/28/2021