| - Basic Statistics on City Public Utilities | | | | | |
| Data have covered the public utilities of all city units* | | | | | |
| Item | 1990 | 1995 | 2000 | 2008 | 2009 |
| City Areas and Floor Space of Buildings | | | | | |
| Urban Area (sq*km) | ******* | ******* | ****** | ********* | ********* |
| Area of Built Districts (sq*km) | ***** | ***** | ***** | ***** | ***** |
| Area of Land Used for Urban Construction (sq*km) | ***** | ***** | ***** | ***** | ***** |
| Population Density of City Districts (persons/sq*km) | *** | *** | *** | **** | **** |
| Water Supply, Gas Supply and Heating | | | | | |
| Annual Volume of Tap Water Supply(*** million cu*m) | ***** | ***** | ***** | ***** | ***** |
| Water Consumption for Residential Use | ***** | ***** | ***** | ***** | ***** |
| Per Capita Water Consumption for Residential Use(ton) | **** | **** | **** | **** | **** |
| Coverage Rate of Urban Population with Access to Tap | **** | **** | **** | **** | **** |
| Water (%) | | | | | |
| Gaswork Gas Supply (*** million cu*m) | ***** | ***** | ***** | ***** | ***** |
| Consumption of Gaswork Gas for Residential Use | **** | **** | **** | **** | **** |
| Natural Gas Supply (*** million cu*m) | **** | **** | **** | ***** | ***** |
| Consumption of Natural Gas for Residential Use | **** | **** | **** | **** | **** |
| Liquefied Petroleum Gas (** *** tons) | ***** | ***** | ****** | ****** | ****** |
| Consumption of Liquefied Gas for Residential Use | ***** | ***** | ***** | ***** | ***** |
| Length of Gas Pipelines (** *** km) | *** | *** | *** | **** | **** |
| Coverage Rate of Urban Population with Access to Gas (%) | **** | **** | **** | **** | **** |
| Area of Centralized Heating (*** million sq*m) | *** | *** | **** | **** | **** |
| Municipal Infra-structure | | | | | |
| Length of Paved Roads at Year-end (** *** km) | *** | **** | **** | **** | **** |
| Length of Paved Roads Per ** *** Population (km) | *** | *** | *** | *** | *** |
| Area of Paved Roads at Year-end (*** million sq*m) | **** | **** | **** | **** | **** |
| Per Capita Area of Paved Roads (sq*m) | *** | *** | *** | **** | **** |
| Length of City Sewage Pipes (** *** km) | *** | **** | **** | **** | **** |
| Density of City Sewage Pipes (km/sq*km) | *** | *** | *** | *** | *** |
| Public Traffic | | | | | |
| Number of Public Vehicles under Operation at Year-end | *** | **** | **** | **** | **** |
| (Buses and Trolley Buses, etc*) (** *** units) | | | | | |
| Number of Public Transportation Vehicles | *** | *** | *** | **** | **** |
| Per ** *** Population (unit) | | | | | |
| Taxis (** *** units) | **** | **** | **** | **** | **** |
| City Greening | | | | | |
| Area of Parks and Green Land (** *** hectares) | **** | **** | **** | ***** | ***** |
| Per Capita Area of Parks and Green Land (sq*m) | *** | *** | *** | *** | **** |
| Number of Parks and Zoos (unit) | **** | **** | **** | **** | **** |
| Area of Parks (** *** hectares) | *** | *** | *** | **** | **** |
| Environmental Sanitation | | | | | |
| Volume of Garbage Disposal (** *** tons) | **** | ***** | ***** | ***** | ***** |
| Volume of Disposal of Excrement and Urine (** *** tons) | **** | **** | **** | **** | **** |
| Number of Public Toilets per ** *** Population (unit) | *** | *** | *** | *** | *** |
| a) Before ****, Urban Area is the area of the city proper* | | | | | | |
| b) Per capita data and coverage rate are calculated on the basis of urban population* Since ****, those indicators are calculated on the basis of the | | | | | | |
| sum of districts area population and temporarily residing population, which are provided by the Ministry of Public Security* | | | | | | |