2024-04-102024-04-102011https://otos.stat.fi/handle/123456789/32644enCC BY 4.0birth ratechildrenfertilityincrease of populationnatalitypopulationpopulation changesvital statisticsBirths 2010Syntyneet 2020Födda 2020URN:NBN:fi-fe20230919132014fulltext