| 11-3 Basic Statistics on Urban Public Utilities | ||||||
| Data have covered the public utilities of all urban units. | ||||||
| Item | 1990 | 1995 | 2000 | 2003 | 2004 | |
| Urban Areas and Floor Space of Buildings | ||||||
| Developed Areas | (sq.m) | 12856 | 19264 | 22439 | 28308 | 30406 |
| Population Density of Urban Districts | (persons/sq.km) | 279 | 322 | 442 | 847 | 865 |
| Total Floor Space of Buildings (year-end) | ||||||
| (100 million sq.m) | 39.8 | 57.3 | 76.6 | 140.9 | 149.1 | |
| Total Floor Space of Residential Buildings | ||||||
| (year-end) | (100 million sq.m) | 20.0 | 31.0 | 44.1 | 89.1 | 96.2 |
| Water Supply, Gas Supply and Heating | ||||||
| Annual Supply of Tap Water | (100 million tons) | 382.3 | 481.6 | 469.0 | 475.3 | 490.3 |
| Water Consumption for Residential use | 100.1 | 158.1 | 200.0 | 224.7 | 233.5 | |
| Per Capita Water Consumption for Residential Use | 67.9 | 71.3 | 95.5 | 77.1 | 76.9 | |
| (ton) | ||||||
| Percentage of Population with Access to Tap | 48.0 | 58.7 | 63.9 | 86.2 | 88.9 | |
| Water | (%) | |||||
| Gaswork Gas Supply | (100 million cu.m) | 174.7 | 126.7 | 152.4 | 202.1 | 213.7 |
| Consumption of Gaswork Gas for Residential Use | 27.4 | 45.7 | 63.1 | 58.4 | 51.2 | |
| Natural Gas Supply | (100 million cu.m) | 64.2 | 67.3 | 82.1 | 141.6 | 169.3 |
| Consumption of Coal Gas for Residential Use | 11.6 | 16.4 | 24.8 | 37.5 | 45.4 | |
| Liquefied Petroleum Gas | (10 000 ton) | 219.0 | 488.7 | 1053.7 | 1126.3 | 1126.7 |
| Consumption of Liquefied Gas for Residential Use | 142.8 | 370.2 | 532.3 | 781.7 | 704.1 | |
| (10 000 ton) | ||||||
| Length of Gas Pipelines | (10 000 km) | 2.4 | 4.4 | 8.9 | 13.0 | 14.8 |
| Percentage of Urban Population with Access to Gas | (%) | 19.1 | 34.3 | 45.4 | 76.7 | 81.5 |
| Area of Centralized Heating | (100 million sq.m) | 2.1 | 6.5 | 11.1 | 18.9 | 21.6 |
| Municipal Infra-structure | ||||||
| Length of Paved Roads | (10 000 km) | 9.5 | 13.0 | 16.0 | 20.8 | 22.3 |
| Length of Paved Roads Per 10 000 Population | (km) | 3.1 | 3.8 | 4.1 | 6.2 | 6.5 |
| Area of Paved Roads | (100 million sq.m) | 8.9 | 13.6 | 19.0 | 31.6 | 35.3 |
| Area of Paved Roads Per 10 000 Persons | (sq.m) | 3.1 | 4.4 | 6.1 | 9.3 | 10.3 |
| Length of Sewage Pipes | (10 000 km) | 5.8 | 11.0 | 14.2 | 19.9 | 21.9 |
| Density of Sewage Pipes | (km/sq.m) | 4.5 | 5.7 | 6.3 | 7.0 | 7.2 |
| Public Traffic | ||||||
| Number of Public Vehicles under Operation | ||||||
| (Buses and Trolley Buses, etc.) | (10 000 units) | 6.2 | 13.7 | 22.6 | 26.4 | 28.2 |
| Number of Public Transportation Vehicles | ||||||
| Per 10 000 Population | (unit) | 2.2 | 3.6 | 5.3 | 7.7 | 8.4 |
| Taxi | (10 000 units) | 11.1 | 50.4 | 82.5 | 90.3 | 90.4 |
| Afforestation in Cities | ||||||
| Public Green Areas | (10 000 hectare) | 47.5 | 67.8 | 86.5 | 121.2 | 132.2 |
| Per Capita Public Green Areas | (sq.m) | 1.8 | 2.5 | 3.7 | 6.5 | 7.4 |
| Number of Park and Zoo | (unit) | 1970 | 3619 | 4455 | 5832 | 6427 |
| Area of Park and Zoo | (10 000 hectare) | 3.9 | 7.3 | 8.2 | 11.3 | 13.4 |
| Environmental Sanitation | ||||||
| Volume of Garbage Disposal | (10 000 tons) | 6767 | 10671 | 11819 | 14857 | 15509 |
| Volume of Disposal of Excrement and Urine | 2385 | 3066 | 2829 | 3475 | 3576 | |
| (10 000 tons) | ||||||
| Number of Public Lavatories per 10 000 Population | 3.0 | 3.0 | 2.7 | 3.2 | 3.2 | |
| a) Per capita data and popularization data are calculated by city population, which refers to population permanently registrated in urban districts | ||||||
| exluded counties. | ||||||