2150
100
2050
2000
950
900
250
0:00
750
700
650
600
550
500
450
400
350
300
250
200
晨
150 Li
100
50
thumber of Illegal Immigrants Arrested Since Commencement of Operation on 30-11-1974
19%
111
B
1
C1
Dec
Jan
Feb
*Ray
Jun
Jul
Aug
Sept
Oct
Nov
Cec
19
19
19.