2024-04-102024-04-102013https://otos.stat.fi/handle/123456789/32646enCC BY 4.0birth ratechildrenfertilityincrease of populationnatalitypopulationpopulation changesvital statisticsBirths 2012Syntyneet 2012Födda 2012URN:NBN:fi-fe20230919132016fulltext