Isano iri hagati yumuntu nibintu byose byashizweho niterambere ryubukungu hirya no hino muri iyi si ya none, Ibikoko bitungwa bihinduka umunyamuryango mushya wimiryango intambwe ku yindi mumyaka mirongo ishize.Buri muryango utunze amatungo 1.3 ugereranije muburayi no muri Amerika.Nkumunyamuryango wihariye wumuryango, batuzanira ibitwenge, umunezero, amahoro no kwigisha abana kugira urukundo mubuzima, kuri byose kugirango isi irusheho kuba nziza.Uruganda rwose rukora ibikoresho byubuvuzi rufite inshingano zo gutanga ibikoresho byubuvuzi byizewe byamatungo hamwe nurwego rumwe.