That’s a difference of 38 people. One person/day. It’s not going to change the result of the analysis.
It would change the numbers in KennethJohnKelly post for monthly births.
If we look at Edith Coates 6/15/1962 BC and the 1962 Natality report, there were 7400 births by the end of May and 8842 by the end of June. Edith’s cert # is 8498. That means between June 1st and June 15th there were 1098 births and only 344 births from June 16th to June 30th. Edith was born at the same hospital as Virgina Sunahara (IIRC). So if a month’s worth of Kapiolani Hospital births were numbered ahead of her’s you would expect that her BC to have an unusually high number.
If we look at Janna’s 12/21/1971 BC and the 1971 Natality report, there were 14506 births by the end of November and 15838 by the end of December. Her cert # is 015396 which means there were 890 births numbered before her and 442 births after her. She was born at Kapiolani but we don’t know her last name.
It appears to me that they collected BCs for the month as Vern Lee said and separated them by geographic locations before numbering them.
Also the cert numbers for the Coates and Janna BCs suggest that they were numbered sequentially at the beginning of each year.