21-4  主要年份西宁市自来水供水情况
Basic Statistics on Tap Water Supply in Xining in Main Years
	年底自来水	供  水	售  水		综合生产	用  水	用  水
年  份	管道总长度	总  量	总  量	生  产	能    力	总人数	普及率
	(公里)	(万立方米)	(万立方米)	用  水	(万立方米/日)	(万人)	(%)
Year	Length of	Total Annual	Total Annual	For	Production	Number of	Coverage Rate
	Water	Volume of	Volume of	Productive	Capacity of	Residents with	of Urban
	Supply	Water	Water	Use	Tap Water	Access to	Population
	Piplines	Supply	Market		Supply	Tap Water	with Access
					(10 000cu.m		to Tap Water
	(km)	(10 000 cu.m)	(10 000 cu.m)		/day)	(10 000 persons)	(%)
1980	240	3740	3541	1979	14.5	42.0	92.4
1982	246	4649	4295	2598	14.5	43.4	94.6
1983	251	5222	4817	3121	34.5	43.5	94.0
1984	259	5526	5098	3161	35.5	48.0	92.0
1985	255	5577	5145	3190	36.4	348.0	95.0
1986	255	5863	5583	3461	26.4	49.0	99.0
1987	285	6308	6008	3604	36.6	53.0	96.4
1988	297	7111	6755	4062	34.4	53.5	98.0
1989	300	7824	7200	4464	34.4	53.9	98.0
1990	300	7934	7301	4527	34.4	54.7	98.0
1991	300	8279	7619	4785	34.4	55.7	98.0
1992	301	8359	7692	4769	34.4	56.1	98.8
1993	305	8605	7918	4909	39.0	56.2	99.1
1994	306	12961	12273	8339	39.0	66.1	99.3
1995	307	13251	12540	8176	39.0	66.9	98.0
1996	311	13036	12342	7460	38.4	67.7	97.0
1997	419	13036	12238	6200	38.0	67.8	96.0
1998	433	11966	11516	6939	37.0	70.9	97.4
1999	444	12561	11904	6893	49.0	70.8	97.0
2000	596	12610	14325	6734	48.9	71.4	97.2
2001	433	12452	6910	5833	44.9	74.8	99.3
2002	450	11403	5912	4693	44.9	76.6	100.0
2003	476	11559	10188	3470	44.9	78.9	100.0
2004	505	12175	10176	3481	44.9	80.1	100.0
2005	541	11192	9142	3546	44.9	80.9	100.0
2006	965	12010	10548	3861	50.1	90.3	99.6
2007	974	11542	10228	3743	54.3	102.3	99.7
2008	772	12098		3853	47.9	88.0	100.0
2009	790	12168	10125	3917	47.9	94.0	99.4
2010	829.29	12401.73	10398.73	3795.31	50.39	100.16	99.85