No |
YEAR |
NO. OF EXCHANGES |
TOTAL CAPACITY |
NO. OF WORKING LINES |
OCCUPANCY % |
| 1 |
1984 |
23 |
429,600 |
210,226 |
48.94 |
| 2 |
1985 |
23 |
461,600 |
221,882 |
48.07 |
| 3 |
1986 |
25 |
511,600 |
235,447 |
46.02 |
| 4 |
1987 |
28 |
548,000 |
254,826 |
46.5 |
| 5 |
1988 |
28 |
570,000 |
281,771 |
49.43 |
| 6 |
1989 |
28 |
599,000 |
310,837 |
51.89 |
| 7 |
1990 * |
32 |
575,800 |
331,406 |
57.56 |
| 8 |
1991 |
27 |
547,048 |
321,909 |
58.85 |
| 9 |
1992 |
28 |
572,048 |
345,583 |
60.41 |
| 10 |
1993 |
33 |
584,648 |
357,996 |
61.23 |
| 11 |
1994 |
32 |
578,600 |
370,627 |
64.06 |
| 12 |
1995 |
34 |
579,400 |
382,287 |
65.87 |
| 13 |
1996 |
34 |
565,400 |
391,841 |
69.3 |
| 14 |
1997 |
36 |
607,400 |
411,529 |
67.77 |
| 15 |
1998 |
34 |
688,082 |
421,064 |
66.71 |
| 16 |
1999 |
33 |
632,500 |
449,301 |
71.04 |
| 17 |
2000 |
33 |
624,000 |
467,007 |
74.84 |
| 18 |
2001 |
34 |
621,776 |
472,414 |
75.98 |
| 19 |
2002 |
34 |
616,046 |
481,891 |
78.22 |
| 20 |
2003 |
35 |
656,776 |
486,904 |
74.135 |
| 21 |
2004 |
36 |
791,213 |
496,973 |
62.81 |
| 22 |
2006 |
38 |
840.153 |
524.099 |
62.38 |
| 23 |
2007 |
40 |
800,153 |
538,219 |
32.74 |
| 24 |
2008 |
43 |
801,153 |
534,966 |
66.77 |
| 25 |
2009 |
45 |
897,653 |
528,497 |
58,88 |
|