Relative frequency regarding first births created (in this couple of years out-of relationship) in order to women who married during the years not as much as ages thirty five from the course away from relationship and urban–rural place of home Data supply: the new 1994 microcensus; analysis on birth facts to own 2000–2002, 2011–2013, and you can 2016–2018; formal analytics into the quantity of marriages from the period of the latest bride-to-be