<Table-1>Number of Participants of sewage works Engineering Course
year Country name		73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	00	01	02	03	04	05	06	Total
1	Algeria																																1			1
2	Argentina														1																					1
3	Bahrain																					1														1
4	Bangladesh	1	1		1			1						1					1	1						1	1		1		1	1		1	1	14
5	Barbados															1																				1
6	Bhutan																																		1	1
7	Bolivia																			1		1		1	1							1		1		6
8	Botswana																																		1	1
9	Brazil		1	1	1	1	1			2	2	1	2	1	1	1	1	1		1	2	1	1	1		1			1	1					1	27
10	Cambodia	1	1																			1	1													4
11	Cameroon																															1				1
12	Chile											1		1		1																				3
13	China												1	1	1		1		1					1	1			1	1	1	1					11
14	Colombia		1													1	1				1					1		1			1		1			8
15	Cote D'ivoire																														1					1
16	Cyprus																1	1																		2
17	Egypt			2									1	1	1	1	1	1	1	1				1	1	1	2	1	1	1						18
18	Ethiopia						1	1							1	1	1	1																		6
19	Fiji									1						1			1								1								1	5
20	Ghana																								1											1
21	Guatemala												1										1													2
22	Guyana																											1				1				2
23	Honduras																					1	1	1	1	1										5
24	Hong Kong																		1	1	1	1														4
25	I S Samoa																								1											1
26	India	1		1	1	1						1	1	1	1										1											9
27	Indonesia				1	1	1	1	1	1	1	1		1		1	1	1		1	1	1	1	2	1	1	1	1	1	1						24
28	Iran		1	1	1	1	1		1										1						1	1	1	1								11
29	Iraq								1	1		1	2		1		1	1															1			9
30	Jamaica																																		1	1
31	Jordan														1										1	1										3
32	Kenya						1																1	1			1	1	1	1			1	2	1	11
33	Kiribati																									1					1	1				3
34	Korea	1	1	1	1	1							1																							6
35	Malawi																						1													1
36	Malaysia							1	1		1	1			1	1	1	1	1		1						1	1		1		2				15
37	Malta																		1			1														2
38	Mexico						1	1																												2
39	Morocco					1					1																			1			1	1		5
40	Mongolia																																		1	1
41	Myanmar (Burma)		1				1			2		1					1																			6
42	Nepal											1				1	1	1			1		1													6
43	Oman																			1	1															2
44	Pakistan	1													1														1							3
45	Palau																						1													1
46	Palestinian																												1	1	1					3
47	Papua New Gunea							1					1													1								1	1	5
48	Paraguay								1					1																			1			3
49	Peru								1				1	1	1	1	1	1	2	1	1	1	1					1	1	1			1	1		18
50	Philippines	1	1	2	1	1	1	1	1	1	1			1					1	1	2	1	1	1				1					1	1	2	24
51	Saudi Arabia								1	1		1	1	1	1	1	1	1		1	1										1		1	1		14
52	Sierra Leone												1																							1
53	Singapore	1	1	1	1	1	1	1		1	1	1	1	1																						12
54	Solomon Islands																								1			1								2
55	Sri Lanka												1																	1	2	2	1	2		9
56	Sudan																1	1	1	1																4
57	Syria							1	1			2												1	1							2	1	1		10
58	Tanzania																1	2																		3
59	Thailand		1	1	1	1	1	1	1	1	2	2				1	1	2	3	2	2	2	1	1	2	1	2	1		1	1			2	1	38
60	Turkey						1	1							1												1	1	1							6
61	U.A.E															1																				1
62	Vietnam	1																								1			1		1					4
63	Yemen																					1											1			2
64	Zambia																														1					1
65	Zimbabwe																										1									1
Total		8	10	10	9	9	11	11	10	11	9	14	15	12	13	14	16	15	15	13	14	13	12	11	14	12	12	13	11	11	12	11	12	14	12	409