Municipalities with more than 20,000 voters;Data;Total Vitoria-Gasteiz (Álava);Postal vote processed;5,055 Vitoria-Gasteiz (Álava);percentage;2.76 Eibar (Guipúzcoa);Postal vote processed;862 Eibar (Guipúzcoa);percentage;3.63 Irun (Guipúzcoa);Postal vote processed;922 Irun (Guipúzcoa);percentage;1.91 Errentería (Guipúzcoa);Postal vote processed;456 Errentería (Guipúzcoa);percentage;1.42 Donostia-San Sebastian (Guipúzcoa);Postal vote processed;5,546 Donostia-San Sebastian (Guipúzcoa);percentage;3.70 Barakaldo (Vizcaya);Postal vote processed;1,683 Barakaldo (Vizcaya);percentage;2.04 Basauri (Vizcaya);Postal vote processed;949 Basauri (Vizcaya);percentage;2.49 Bilbao (Vizcaya);Postal vote processed;11,428 Bilbao (Vizcaya);percentage;3.90 Durango (Vizcaya);Postal vote processed;558 Durango (Vizcaya);percentage;2.61 Galdakao (Vizcaya);Postal vote processed;488 Galdakao (Vizcaya);percentage;1.98 Getxo (Vizcaya);Postal vote processed;3,665 Getxo (Vizcaya);percentage;5.48 Leioa (Vizcaya);Postal vote processed;638 Leioa (Vizcaya);percentage;2.73 Portugalete (Vizcaya);Postal vote processed;1,208 Portugalete (Vizcaya);percentage;2.79 Santurtzi (Vizcaya);Postal vote processed;956 Santurtzi (Vizcaya);percentage;2.37 Sestao (Vizcaya);Postal vote processed;535 Sestao (Vizcaya);percentage;2.04