Bupanduluzi Buyungizyidwe

d Mu 1938 ibakajanika ku Ciibalusyo nyika yoonse mbwiizulwa bakali 73,420, akati kabaaba ibali 39,225—nkokuti 53 pasenti yabaabo bakajanika bakatola lubazu mukulya zitondezyo. Kuzikusika mu 1998 ibakajanika bakavwula kusikaa 13,896,312, pele ibakatola lubazu mukulya akunywa zitondezyo bali buyo 8,756 akati-kati ambweni kuli buyo muntu omwe naa kubulila limwi buya mumbungano zili 10.