Buuxi weedha soo socota: Kahor 2011 waxaa jiray qaar ka mid ah xiritaanka tareenka dhulka hoostiisa mara oo buuxa 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, Luulyo 13<unk>14, 1977,
14 ilaa 16 Agoosto 2003).