11-1  Basic Statistics on Urban Infrastructure
Item 2006 2007 2008 2009
         
Urban Facilities  
    Population Density                                 (person/sq.km) 1860 1449 1413 1415
    Per Capita Daily Water Consumption                   (litre) 140.88 132.91 127.87 129.91
    Coverage Rate of Water Supply                               (%) 97.17 98.79 99.39 99.47
    Coverage Rate of Natural Gas Supply                      (%) 94.47 97.07 98.50 99.17  
    Per Capita Area of Roads                                     (sq.m) 18.14 18.66 19.60 20.94
    Number of Public Transportation Vehicles Per        
10.50 11.42 12.19 10.84
    10 000 Persons                                                 (unit)
    Density of Sewage Pipelines                       (km/sq.km) 2.15 1.80 1.94
    Per Capita Public Green Areas                            (sq.m) 12.77 13.33 14.20 15.09
    Coverage Rate of Urban Green Areas                     (%) 37.45 38.60 39.80 41.18
Water Supply
    Volume of Water Supply                        (10 000 cu.m) 279058 271151 267172 275592
    Industrial Use                                          (10 000 cu.m) 107981 107024 113687 117149
    Residential Use                                       (10 000 cu.m) 127317 126655 121593 124603
    Population Using Water                      (10 000 persons) 2476 2629 2624 2648
Public Transportation
    Volume of Passenger Traffic      (10 000 person-times)   270915 302850 339599 335324
    Number of Operating Vehicles                             (unit) 25916 29265 30286 25272
    Number of Taxis                                                  (unit) 53377 55312 56325 57278
Infrastructure and Waste Water Treatment
    Area of Roads                                         (10 000 sq.m) 46232 49677 51755 55756
    Length of Roads                                                   (km) 25307 27092 28700 30793
    Area of Sidewalks                                  (10 000 sq.m) 8487 9549 9950 10980
    Number of Streetlights                                        (unit) 920000 1021000 1127984 1280664
    Numer of Bridges                                                (unit) 3666 3887 4071 4251
    Volume of Waste Water Discharged      (10 000 cu.m) 208574 206565 221129 229929
    Volume of Waste Water Treated            (10 000 cu.m) 145432 165888 187912 193738
    Length of Levees                                                  (km) 1564 1699 1699 2321
Parks,Gardens and Green Areas
    Green Areas                                                          (ha) 109297 125615 135328 146993
    Public Park                                                           (ha) 32542 35479 37500 40167
    Coverage of Green Area                                       (ha) 132582 146076 156957 168408
    Coverage of Urban Green Area                            (ha) 108411 118973 129788 138923
    Number of Parks                                                (unit) 427 517 546 575
    Area of Parks                                                        (ha) 13157 16522 18534 20426