Compile updated list of variables into TopoJSON

The following list of variables need to be extracted from the data CSV and entered into a new TopoJSON file (" \* " stands for the three intervals: 90, 00 & 10).

totalpop__,
households__,
units__,
medianhhincome__,
medianvalue__,
medianrent__,
pctrent_300_600__,
pctrent_600_750__,
pctrent_750_1000__,
pctrent_1000_more__,
medianpctincomerent__,
pctincomerent_30_more__,
pctinc_mortgage_30_more__,
pcthhchild__,
pctcollege__,
pctinc_150k_more__,
pctpoverty__,
pctown__,
pctrent__,
pctvacant__,
pctsameres__,
pctunits_newres__,