2024-04-102024-04-102014https://otos.stat.fi/handle/123456789/32647enCC BY 4.0birth ratechildrenfertilityincrease of populationnatalitypopulationpopulation changesvital statisticsBirths 2013Syntyneet 2013Födda 2013URN:NBN:fi-fe20230919132017fulltext