At constituency level, seats were divided between open lists using the largest remainder method with the Imperiali quota. Remaining votes and seats were transferred at national level, where special closed lists of national leaders received the last seats using the Hare quota.
At constituency level, seats were allocated using open lists based on the largest remainder method with the Imperiali quota. Remaining votes and seats were transferred at national level, where special closed lists of national leaders received the remaining seats using the Hare quota.