Officials planned to spend up to A$50 million on an eradication campaign, which has since been reduced.
Following mass vaccinations, disease detection and containment were central to the eradication campaign.
This is the lowest number of cases since the eradication campaign began.
The King reportedly agreed and in 1992 announced an eradication campaign against kif, as the plant is known locally.
The collapse of Nigeria's drive has become a lesson in the ways eradication campaigns can go terribly awry.
Most of the remaining cases are concentrated in Sudan, where the protracted civil war has hampered the eradication campaign.
Intensive eradication campaigns such as door-to-door vaccinations only started after 1999.
Head lice (especially in children) have been, and still are, subject to various eradication campaigns.
The eradication campaign has slowed crop expansion to a 10 percent annual increase.
After a global eradication campaign, the last confirmed case of rinderpest was diagnosed in 2001.