From EWTN:
A surv
The survey released by the Center for Applied Research in the Apostolate at Georgetown University (CARA) was sent in September 2018 to 192 bishops, of whom 108 responded, resulting in a margin of sampling error of plus or minus 6.25 percentage points.
The responses regarding the possibility of female diaconal ordination and whether it ought to occur suggest that eight percent of bishops in the US might believe it possible, yet not believe it should be authorized.

