| 14-12 ������Ҫͨ��������2007��2009�꣩ | |||
| Main Communication Capacity of Telecommunication Services, 2007-2009 | |||
| ָ �� Item |
2007 | 2008 | 2009 |
| ��;�绰ҵ���·(2M) | �� | �� | �� |
| Number of Long-distance Telephones (2M) | 13753 | 9257 | 10332 |
| ����ͨ������;��·(2M) | �� | ||
| Digital Long-distance Communication (2M) | 253950 | 227871 | 461870 |
| ��;�绰����������(·��) | �� | ||
| Capacity of Long-distance Telephone Exchanges (circuit) | 202048 | 137826 | 137246 |
| ���õ绰����������(����) | �� | ||
| Capacity of Office Telephone Exchanges (10 000 lines) | 623.27 | 570.43 | 424.26 |
| �ƶ��绰����������(��) | �� | ||
| Capacity of Mobile Telephone Exchanges (10 000 subscribers) | 1065 | 1560 | 1840 |
| ��;������·����(����) | �� | ||
| Length of Long-distance Optical Cable Lines (km) | 2960 | 3045 | 3110 |