Appendix 33
(Chapter 11: Public Order)
269
Prisons
As at end of year
1977
1978
1979
Population of
Prisons
Prisoners
4,958
4,242
4.139
Detainees (illegal immigrants)
749
4,481
Training centres
469
357
287
Detention centres
106
228
296
Treatment centres
1,658
1,606
1.197
Discharges under aftercare
2,966
2,535
2,565
Appendix 34
(Chapter 13: Public Works and Utilities) Electricity Consumption, 1979
Pi
Sales per
Maximum demand
head of
Sales
Consumers
population
million
megawatts
megajoules
hundreds
megajoules
China Light and Power Company
1,780
(1,572)
26,756 (23,619)
8,516
7,040
(8,125)
(6,843)
The Hongkong Electric Company
Cheung Chau Electric Company
691
9,681
2,939
9,272
(658)
(9,142)
(2,789)
(8,807)
2.5
34
56
1,480
(2.3)
(32)
(54)
(1,465)
36,470
11,511
7,443
(32,793)
(10,968)
(7,119)
Note: Figures in brackets refer to 1978.
1 megajoule=0.28 kW.h
Electricity Distribution
Domestic
Industrial
Commercial
Street lighting.
Export to China
Total
Million megajoules
1977
1978
1979
6,944
7,364
7,556
11,499
12,781
14,124
11,236
12,533
13,763
112
117
120
907
29,792
32,794
36,470
Note: The export of electricity to China commenced in April 1979.
Gas Consumption and Distribution
Domestic
Industrial Commercial
Total
Note: 1 megajoule=0.01 therm
Water Consumption
Fresh water
Salt water (flushing purposes)
Million megajoules
1977
1978
1979
994
1,249
1,501
180
179
202
904
1,076
1,318
2,077
2,503
3,021
1977
387
75
Note: Fresh water supply hours for 1977 and 1978 totalled only 5,990 and 7,314 respectively.
Million cubic metres
1978
1979
412
467
76
76