Ku qor sii wadida cutubkan - Kahor 2011 waxaa jiray qaar ka mid ah xiritaanka tareenka dhulka hoostiisa mara ee shaqo joojinta gaadiidka (Janaayo 1<unk>13, 1966, Abriil 1<unk>11, 1980, Diseembar 20<unk>22, 2005) iyo blackouts (November 9<unk>10, 1965, July 13<unk>14, 1977, Ogosto 14<unk>16, 2003
) Waxaa