Birth date is exported only when it is the same as the christening date
The first 10 results were exported from the search shown below.
2 of the results have entries in the column birthLikeDate. In each of these the birth date is the same as the christening date. Both the birth and christening dates are displayed on the search screen in the browser for all ten of the results that were exported. Why are the other 8 birth dates omitted from the exported results?
What does "Like" mean in birthLikeDate and birthLikePlaceText?