15-45 Telecommunications Facilities at the Year-end
	Capacity of	Capacity of			Number of
	Long-distance	Local Office	Central	Local	Telephone	Central	Local
Year	Telephone Exchanges	Telephone Exchanges	State-owned	State-owned	（10 000 sets)	State-owned	State-owned
	(circuit)	(10 000 line)
1978	1863	405.88	174.94	230.94	368.82	236.40	132.42
1979	2001	422.03	185.25	236.78	395.01	262.13	132.88
1980	1969	443.20	200.29	242.91	418.64	284.07	134.57
1981	3058	463.36	217.90	245.46	442.51	310.11	132.40
1982	3126	490.71	240.86	249.85	471.23	339.10	132.13
1983	4306	516.07	262.21	253.86	507.15	373.40	133.75
1984	6544	553.57	291.96	261.61	553.89	415.25	138.64
1985	11522	613.44	336.54	276.91	625.98	476.11	149.87
1986	20689	672.36	380.49	291.86	705.91	544.14	161.77
1987	42773	773.93	464.50	309.43	805.72	628.28	177.44
1988	62484	887.22	555.84	331.38	941.79	745.10	196.70
1989	103269	1034.69	667.95	366.74	1089.33	868.38	220.95
1990	161370	1231.82	826.05	405.77	1233.16	1026.10	205.23
1991	286325	1492.18	1033.14	459.03	1459.18	1215.68	238.74
1992	521885	1915.06	1355.50	559.56	1863.65	1544.94	301.02
1993	1206091	3040.78	2210.25	830.53	2631.28	2147.51	419.94
1994	2416296	4926.24	3723.39	1202.86	3958.64	3148.11	653.75
1995	3518781	7203.59	5456.35	1747.24	5762.26	4346.32	1152.06
1996	4162009	9291.22	6923.67	2367.56	7732.03	5537.78	1508.97
1997	4368305	11269.18	8406.80	2862.37	10111.12	6745.23	2042.61
1998	4491595	13823.66	9951.35	3872.31	13123.44	7963.29	2773.86
1999	5032026	15346.13	11094.08	4252.05	17567.44	9505.43	3732.41
2000	5635498	17825.63	13306.16	4519.47	25606.55	12634.36	4518.89
a)The capacity of exchanges in this table excludes the capacity of exchanges owned by users. Since 1990, total number of telephone sets include
mobile phones.