Age group (year) | 2015 | 2016 | 2017 | Average rate | Proportion of emm 12 |
3 - 4 | 3.2% (7/221) | 2.6% (7/266) | 1.3% (3/234) | 2.4% (17/721) | 86.7% (13/15) |
5 - 9 | 5.1% (16/315) | 4.9% (13/264) | 6.2% (18/292) | 5.4% (47/871) | 73.3% (33/45) |
10 - 14 | 10.4% (27/260) | 9.7% (25/259) | 7.3% (19/260) | 9.1% (71/779) | 43.3% (26/60) |