| 节点 | 2013 | 2014 | 2015 | 2016 | 2017 |
| V1 | 22 | 22 | 22 | 20 | 21 |
| V2 | 20 | 21 | 22 | 20 | 21 |
| V3 | 20 | 20 | 21 | 20 | 20 |
| V4 | 20 | 20 | 21 | 20 | 21 |
| V5 | 18 | 17 | 15 | 18 | 18 |
| V6 | 20 | 17 | 17 | 19 | 18 |
| V7 | 6 | 7 | 6 | 11 | 7 |
| V8 | 18 | 18 | 18 | 19 | 19 |
| V8 | 6 | 5 | 10 | 8 | 8 |
| V10 | 18 | 18 | 16 | 17 | 18 |
| V11 | 18 | 18 | 14 | 10 | 15 |
| V12 | 18 | 15 | 16 | 18 | 18 |
| 平均度 | 17.0 | 16.5 | 16.5 | 16.7 | 17.0 |