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| Year | Genotype | ||||||
|---|---|---|---|---|---|---|---|
| H1 | G3 | D11 | D9 | D8 | B3 | A (VAC) | |
| 2011 | 288 | 3 | 3 | ||||
| 2012 | 454 | 13 | 1 | 6 | |||
| 2013 | 2217 | 47 | 45 | 3 | 15 | ||
| 2014 | 4868 | 1 | 9 | 3 | 10 | 24 | |
| 2015 | 3952 | 1 | 16 | ||||
| 2016 | 2455 | 3 | 10 | ||||
| 2017 | 397 | 10 | 1 | 13 | |||
| Total | 14631 | 1 | 3 | 70 | 62 | 14 | 87 |
