| Species of animal | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | Total positive case (No.) | ||||||
| Positive cases | Positive cases | Positive cases | Positive cases | Positive cases | Positive cases | ||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | ||
| Cattle+ | 6 | 0.05 | 2 | 0.01 | 6 | 0.05 | 5 | 0.04 | 0 | 0 | 2 | 0.01 | 21* |
| Sheep++ | ND | ND | 229 | 22.9 | 12 | 1.2 | 306 | 30.6 | 25 | 2.5 | 0 | 0 | 572* |