2024-04-102024-04-102010https://otos.stat.fi/handle/123456789/32643enCC BY 4.0birth ratechildrenfertilityincrease of populationnatalitypopulationpopulation changesvital statisticsBirths 2009Syntyneet 2009Födda 2009URN:NBN:fi-fe20230919132013fulltext