| 时间(年) | 治疗性 | 光学性 | 合计 |
| 2008~2009 | 61 (59.2%) | 42 (40.8%) | 103 |
| 2010~2011 | 85 (62.0%) | 52 (38.0%) | 137 |
| 2012~2013 | 91 (62.8%) | 54 (37.2%) | 145 |
| 合计 | 237 (61.6%) | 148 (38.4%) | 385 |