| 时间(年) | 真菌性 | 细菌性 | 病毒性 | 混合性 | 合计 |
| 2008~2009 | 48 (73.8%) | 7 (10.8%) | 7 (10.8%) | 3 (4.6%) | 65 |
| 2010~2011 | 52 (76.5%) | 3 (4.4%) | 10 (14.7%) | 3 (4.4%) | 68 |
| 2012~2013 | 66 (85.7%) | 2 (2.6%) | 7 (9.1%) | 2 (2.6%) | 77 |
| 合计 | 166 (79%) | 12 (5.7%) | 24 (11.4%) | 8 (3.8%) | 210 |