| 变量 | 样本量 | 平均值 | 标准差 | 最小值 | 最大值 | 
| ED | 1,223 | 0.569 | 0.374 | 0 | 1 | 
| EDI | 1,223 | 0.463 | 0.244 | 0 | 1.04 | 
| CSR | 1,223 | 0.398 | 0.49 | 0 | 1 | 
| CSP | 1,223 | 0.674 | 0.12 | 0 | 1.04 | 
| SA | 1,223 | 3.134 | 1.076 | 2.572 | 13.221 | 
| FUND | 1,223 | 0.097 | 0.296 | 0 | 1 | 
| CEN-B | 1,223 | 0.003 | 0.011 | 0 | 0.226 | 
| CEN-C | 1,223 | 1.605 | 5.137 | 0 | 102.3 | 
| CEN-D | 1,223 | 0.723 | 3.158 | 0 | 70.14 |