Yep, though actually 9% had no Facebook (before and after the Cambridge Analytica scandal) so they should be removed form the base altogether, they are part of

Yep, though actually 9% had no Facebook (before and after the Cambridge Analytica scandal) so they should be removed form the base altogether, they are part of the survey sample but not of the Facebook userbase i.e.: 100% = 100-9=91 53/91=58% did not change anything 24/91=26% tightened settings 14/91=15% deleted account +/- 1% due to rounding