2001
54
1130
2
27718
340
29244
2002
72
1359
12
29260
226
30929
2003
74
1686
7
30915
256
32938
2004
77
1735
27
30458
199
32496
Distance Learning
Internet
Tech-On-Line
Traditional
Video
Total
19
63
1501
15
1600
82
1560
14
1687
21
95
1559
13
1695
16
91
1554
8
1690
