Malinga ndi ziwerengero zaposachedwa kwambiri za Unduna wa Zachuma, Zamalonda ndi Zamakampani ku Japan (METI), kufunikira kwa ogula nthawi zambiri kumakhudzidwa kwambiri ndi mliriwu.

Kupanga kwazitsulo zaku Japan mgawo lachitatu kukuyembekezeka kutsika ndi 27.9% pachaka.Zogulitsa zitsulo zomwe zatsirizidwa zidzatsika ndi 28.6% pachaka, ndipo kufunikira kwapakhomo kwa zinthu zachitsulo zomwe zatsirizidwa mgawo lachitatu zidzatsika ndi 22.1% pachaka.

Ziwerengerozi zidzakhala zotsika kwambiri m'zaka 11.Kuonjezera apo, zinkayembekezeredwa kuti kufunikira kwazitsulo wamba m'makampani omangamanga m'gawo lachitatu la chaka chino kudzakhala 13,5% kuposa nthawi yomweyi chaka chatha.