Add keyword "povertyratio"?

[arlocsherman]

Low urgency. Should we add one or more keywords on poverty_ratio (or "ratio" or "povratio")? State groups and policy folks very often need detailed data on ratio of income to poverty. One overall (B17002?); maybe another for characteristics (S1703 and/or the little-known table B05010 with children by nativity relevant to federal and state EITC projections, immigrant exclusions, etc.)?

[c-zippel]

This should be easy to do. Table B05010 is already a keyword: kids_pov_parents_nativity.