This means the statistics should be interpreted purely as showing how people responded to the question, rather than being about whom they are attracted to or their actual relationships.
Mae hyn yn golygu y dylid dehongli bod yr ystadegau'n dangos sut yr ymatebodd pobl i'r cwestiwn, yn hytrach na'u bod yn dangos at bwy y mae ganddynt atyniad neu'n dangos eu perthnasoedd gwirioneddol.