| Year | 2003/2004 | 2006/2007 | 2008 | 2010/2011 | 2014/2015 | 2016/2017 |
| Season | Winter | Winter | Spring | Winter | Winter | Winter |
| Culling (million) | 5.3 | 2.8 | 10.2 | 6.5 | 19.4 | 37.9 |
| Strain Type | H5N1 | H5N1 | H5N1 | H5N1 | H5N8 | H5N8, H5N6 |
| Money paid to farmer (US million dollars) | 87.4 | 33.9 | 181.7 | 80.7 | 238.1 | 257 |
| Sunspot Number | 45 | 5 | 0 | 5 | 40 | 10 |