Warbixin la soo saaray sannadkii 2013 ayaa lagu ogaaday in baaskiilladu ay yihiin qiyaastii 0.6% dhammaan rakaabka Mareykanka, marka la barbar dhigo 2.9% dadka Ingiriiska iyo Wales.

Kororka ayaa imaanaya iyadoo tiro sii kordheysa oo gobollada iyo bulshooyinka maxalliga ah ay dhisayaan kaabayaasha dhaqaalaha sida waddooyinka baaskiillada si kor loogu qaado baaskiil wadista.

"Sannadihii ugu dambeeyay, bulshooyin badan ayaa qaaday tallaabooyin lagu taageerayo fursado badan oo gaadiid, sida baaskiil wadista iyo socodka," ayuu ku qoray Brian McKenzie oo ah khabiirka cilmiga bulshada ee Xafiiska Tirakoobka warbixin uu la socday.

Galbeedka Mareykanka ayaa lahaa heerka ugu sarreeya ee dadka baaskiilka ku socda oo ah 1.1%, halka Koonfurta ay ahayd kan ugu hooseeya iyadoo leh 0.3%.

Magaalada Portland, Oregon, ayaa diiwaangelisay heerka ugu sarreeya ee baaskiil wadista iyadoo leh 6.1%,, taasoo ka badan 1.8% sannadkii 2000.

Ragga ayaa la ogaaday inay u badan tahay inay baaskiil ku tagaan shaqada marka loo eego dumarka, waxaana la ogaaday in celceliska waqtiga ay baaskiilladu ku socdaan uu yahay 19.3 daqiiqo.

Dhanka kale, daraasaddu waxay ogaatay in 2.8% dadka safarka ah ay u lugeeyaan shaqada, taasoo hoos uga dhacday 5.6% sannadkii 1980.

Waqooyi-bari waxay lahayd heerka ugu sarreeya ee dadka safarka ah ee shaqada u lugeeya, 4.7%.

Magaalada Boston, Massachusetts, ayaa ahayd magaalada ugu sarreysa ee loogu lugeeyo shaqada iyadoo leh 15.1%, halka Koonfurta Mareykanka ay lahayd heerka ugu hooseeya ee gobolka oo ah 1.8%.