Majority Of Pakistanis Marry Within Family---Gallup Report

According to a Gilani Research Foundation Survey carried out by Gallup Pakistan, 77% of Pakistanis claim their family custom is to marry within the extended family.
A nationally representative sample of men and women from across the four provinces was asked in their family, is there a trend of marrying within the family or outside the family?”
Responding to this 77% claim that there is a trend in their family to marry within the extended family whereas 22% claim that their family has a trend of marrying outside their family. However, 1% did not give a view.