11-1  Basic Statistics on Urban Infrastructure
Item 2005 2008 2009 2010
Urban Facilities  
    Population Density                                 (person/sq.km) 921 1413 1415 1389
    Per Capita Daily Water Consumption                   (litre) 140.22 127.87 129.91 129.52
    Coverage Rate of Water Supply                               (%) 99.19 99.39 99.47 99.57
    Coverage Rate of Natural Gas Supply                      (%) 97.09 98.50 99.17 99.30
    Per Capita Area of Roads                                     (sq.m) 21.59 19.60 20.94 22.23
    Number of Public Transportation Vehicles Per        
11.92 12.19 10.84 12.94
    10 000 Persons                                                 (unit)
    Built-up Area Density of Sewage Pipelines  (km/sq.km) 8.70 11.46 9.62
    Per Capita Public Green Areas                            (sq.m) 13.93 14.20 15.09 15.84
    Coverage Rate of Urban Green Areas                     (%) 36.97 39.80 41.18 41.47
Water Supply  
    Volume of Water Supply                        (10 000 cu.m) 275364 267172 275592 290866
    Industrial Use                                          (10 000 cu.m) 121756 113687 117149 127028
    Residential Use                                       (10 000 cu.m) 134573 121593 124603 127338
    Population Using Water                      (10 000 persons) 2629 2624 2648 2715
Public Transportation  
    Volume of Passenger Traffic      (10 000 person-times)   247906 339599 335324 371801
    Number of Operating Vehicles                             (unit) 23455 30286 25272 27752
    Number of Taxis                                                  (unit) 56226 56325 57278 57687
Infrastructure and Waste Water Treatment  
    Area of Roads                                         (10 000 sq.m) 42605 51755 55756 60325
    Length of Roads                                                   (km) 25162 28700 30793 32859
    Area of Sidewalks                                  (10 000 sq.m) 7958 9950 10980 12149
    Number of Streetlights                                        (unit) 821555 1127984 1280664 1339298
    Numer of Bridges                                                (unit) 3620 4071 4251 4316
    Volume of Waste Water Discharged      (10 000 cu.m) 198710 221129 229929 244417
    Volume of Waste Water Treated            (10 000 cu.m) 117300 187912 193738 222691
    Length of Levees                                                  (km) 1565 1699 2321 2352
Parks,Gardens and Green Areas  
    Green Areas                                                          (ha) 105305 135328 146993 157945
    Public Park                                                           (ha) 27480 37500 40167 43191
    Coverage of Green Area                                       (ha) 121477 156957 168408 181055
    Coverage of Urban Green Area                            (ha) 98926 129788 138923 147904
    Number of Parks                                                (unit) 456 546 575 595
    Area of Parks                                                        (ha) 11381 18534 20426 21350