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)

194

216

234

230

283

500

554

565

729

617

813

边的数 $\left(\mathcal{l}\right)$

402

422

533

430

652

975

1457

1354

2701

1525

3224

密度(d)

0.0215

0.0182

0.0196

0.0163

0.0163

0.0078

0.0095

0.0085

0.0102

0.0080

0.0098

平均度 $\left(\langle k\rangle \right)$

4.1443

3.9074

4.5556

3.7391

4.6078

3.9000

5.2599

4.7929

7.4102

4.9433

7.9311

幂率指数(r)

2.0900

2.1100

2.0800

1.9000

2.1300

2.3700

2.2700

2.1800

2.2600

2.3200

2.3200

平均最短距离(L)

3.2255 [1.6616]

3.3704 [1.6818]

3.2222 [1.6966]

∞

3.288 [1.7308]

3.4324 [1.8269]

3.2124 [1.8433]

3.2911 [1.8464]

∞

3.2741 [1.8602]

2.8423 [1.9022]

聚类系数

0.0716

0.0591

0.0838

0.0516

0.0867

0.0445

0.0959

0.0763

0.1879

0.0817

0.2017

$\left(C_{4,mn\left(i\right)}\right)$

[0.0214]

[0.0181]

[0.0195]

[0.0163]

[0.0163]

[0.0078]

[0.0095]

[0.0085]

[0.0102]

[0.0080]

[0.0098]