Here's some more XML. I don't see anyone else with the SameSexPercentage tag.
Code:
<Row>
<ModifierId>AGENDA_CURMUDGEON_POSITIVE</ModifierId>
<ModifierType>MODIFIER_PLAYER_DIPLOMACY_SIMPLE_MODIFIER</ModifierType>
<SubjectRequirementSetId>PLAYER_IS_SAME_SEX</SubjectRequirementSetId>
</Row>
<Row>
<ModifierId>AGENDA_CURMUDGEON_NEGATIVE</ModifierId>
<ModifierType>MODIFIER_PLAYER_DIPLOMACY_SIMPLE_MODIFIER</ModifierType>
<SubjectRequirementSetId>PLAYER_IS_OPPOSITE_SEX</SubjectRequirementSetId>
</Row>
<Row>
<ModifierId>AGENDA_FLIRTATIOUS_POSITIVE</ModifierId>
<ModifierType>MODIFIER_PLAYER_DIPLOMACY_SIMPLE_MODIFIER</ModifierType>
<SubjectRequirementSetId>PLAYER_IS_OPPOSITE_SEX</SubjectRequirementSetId>
</Row>
<Row>
<ModifierId>AGENDA_FLIRTATIOUS_NEGATIVE</ModifierId>
<ModifierType>MODIFIER_PLAYER_DIPLOMACY_SIMPLE_MODIFIER</ModifierType>
<SubjectRequirementSetId>PLAYER_IS_SAME_SEX</SubjectRequirementSetId>
</Row>