Yize amanani entengo yesikhathi esijabulisayo akhuphuke ngo-16% kulo nyaka, emehlweni abahlanganyeli bezimakethe, kusekude impela enjoloba ukuze ahlukane nemakethe yebhere .
Kusukela ngoMashi 2009 kuya kuFebhuwari 2011, amanani enjoloba ahlangabezana nokuhlinzwa, okunesikhathi esingu-240% Ukwehla kusekuphakama kungama-70% ukusuka ku-2011 High .
Intengo engezansi yenjoloba kungekudala izokhuphuka ngenxa yokunyuka kwamanani entengo eluhlaza