指标 | 2010-06 | 2010-12 | 2011-06 | 2011-12 | 2012-06 | 2012-12 | 2013-06 | 2013-12 | 2014-06 | 2014-12 | 2015-06 |
节点数(n) | 1211 | 1305 | 1389 | 1441 | 1399 | 1349 | 1325 | 1411 | 1556 | 1846 | 2037 |
边的数 | 3086 | 3190 | 3172 | 3260 | 3020 | 2879 | 2807 | 2963 | 3201 | 3876 | 4429 |
密度(d) | 0.0042 | 0.0037 | 0.0033 | 0.0031 | 0.0031 | 0.0032 | 0.0032 | 0.0030 | 0.0026 | 0.0023 | 0.0021 |
平均度 | 5.0966 | 4.8889 | 4.5673 | 4.5246 | 4.5673 | 4.2683 | 4.2370 | 4.1999 | 4.1144 | 4.1993 | 4.3486 |
幂率指数(r) | 3.5000 | 3.4900 | 3.5000 | 3.5000 | 3.5000 | 2.7200 | 3.5000 | 3.5000 | 2.8000 | 2.8500 | 3.5000 |
平均最短距离(L) | 2.5276 [1.9600] | ∞ | 2.7656 [1.3092] | ∞ | 2.8846 [1.3049] | 2.8847 [1.3129] | ∞ | 3.0434 [1.9813] | 3.0959 [1.2598] | ∞ | 3.0341 [1.2649] |
聚类系数 | 0.1976 [0.0042] | 0.1630 [0.0037] | 0.1339 [0.0033] | 0.1358 [0.0031] | 0.1188 [0.0033] | 0.1101 [0.0032] | 0.1021 [0.0032] | 0.0934 [0.0030] | 0.0862 [0.0026] | 0.0863 [0.0023] | 0.0889 [0.0021] |