| 年份 | 节点数 | 边数 | 平均度 | 平均加权中心度 | 网络密度 | 网络效率 | 平均集聚系数 | 平均路径长度 |
|---|---|---|---|---|---|---|---|---|
| 2005 | 31 | 291 | 18.774 | 1.790 | 0.626 | 0.400 | 0.827 | 1.374 |
| 2006 | 30 | 183 | 12.200 | 1.709 | 0.421 | 0.621 | 0.684 | 1.641 |
| 2007 | 31 | 187 | 12.065 | 1.683 | 0.402 | 0.639 | 0.716 | 1.617 |
| 2008 | 30 | 173 | 11.533 | 1.495 | 0.398 | 0.645 | 0.711 | 1.632 |
| 2009 | 31 | 170 | 10.968 | 1.298 | 0.366 | 0.678 | 0.727 | 1.669 |
| 2010 | 29 | 125 | 8.621 | 1.160 | 0.308 | 0.743 | 0.602 | 1.860 |
| 2011 | 31 | 148 | 9.548 | 1.263 | 0.318 | 0.729 | 0.635 | 1.705 |
| 2012 | 30 | 143 | 9.533 | 1.132 | 0.329 | 0.719 | 0.635 | 1.720 |
| 2013 | 30 | 157 | 10.467 | 1.212 | 0.361 | 0.685 | 0.657 | 1.646 |
| 2014 | 30 | 119 | 7.933 | 1.031 | 0.274 | 0.778 | 0.635 | 1.821 |
| 2015 | 29 | 120 | 8.276 | 1.416 | 0.296 | 0.757 | 0.572 | 1.771 |
| 2016 | 31 | 175 | 11.290 | 1.264 | 0.376 | 0.667 | 0.712 | 1.637 |
| 2017 | 31 | 134 | 8.645 | 1.451 | 0.288 | 0.761 | 0.608 | 1.791 |
| 2018 | 30 | 165 | 11.000 | 1.170 | 0.379 | 0.665 | 0.712 | 1.644 |
| 2019 | 29 | 142 | 9.793 | 1.413 | 0.350 | 0.698 | 0.738 | 1.709 |
