|
15-44 Telecommunications Facilities (Yea-end) |
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|
|
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|
Unit: line |
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|
Year |
Long
Distance Telephone Circuits |
|
Telegram Circuits |
Package Switch Circuits |
|||
|
Automatic
Circuits |
Digital
Circuits |
Circuits
of Optical Cable |
Digital
Microwave |
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|
|
|
|
|
|
|
|
|
|
1952 |
3777 |
|
|
|
|
4460 |
|
|
1957 |
4684 |
|
|
|
|
4964 |
|
|
1962 |
9380 |
|
|
|
|
5922 |
|
|
1965 |
9913 |
|
|
|
|
6955 |
|
|
1970 |
11696 |
|
|
|
|
6498 |
|
|
1975 |
15981 |
|
|
|
|
7809 |
|
|
1978 |
18801 |
388 |
|
|
|
8430 |
|
|
1980 |
22011 |
636 |
|
|
|
9146 |
|
|
1984 |
32354 |
2098 |
|
|
|
9685 |
|
|
1985 |
37551 |
3624 |
|
|
|
9916 |
|
|
1986 |
44085 |
6662 |
|
|
|
10150 |
|
|
1987 |
53416 |
11474 |
|
|
|
10564 |
|
|
1988 |
68460 |
21957 |
|
2717 |
|
11764 |
|
|
1989 |
87139 |
38565 |
|
5670 |
|
11391 |
|
|
1990 |
112437 |
64180 |
|
11453 |
|
11687 |
|
|
1991 |
151779 |
106493 |
|
23613 |
29073 |
11933 |
|
|
1992 |
234276 |
192485 |
109300 |
51352 |
63253 |
12338 |
|
|
1993 |
420323 |
387391 |
298045 |
162861 |
130597 |
13256 |
|
|
1994 |
615809 |
592575 |
518915 |
330359 |
176735 |
12607 |
1347 |
|
1995 |
735545 |
717635 |
677672 |
484231 |
173110 |
12250 |
4100 |
|
1996 |
998287 |
962729 |
965263 |
754143 |
188721 |
11569 |
9504 |
|
1997 |
1146121 |
1146121 |
1139476 |
935835 |
184332 |
12625 |
3348 |
|
|
|
|
|
|
|
|
|