20-50    Results of Sampling Check on Product Quality Under State Supervision
Year	Number of	Number of Enterprises	Products Selected in Sampling		Number of Products	Rate of Sample
	Enterprises	without Products	Number of Types	Number of Kinds	Qualified	Products
	Selected	Unqualified			(kind)	Qualified(%)
1988	2983		181	4031	3072	76.2
1989	3948	2795	180	5437	4092	75.3
1990	2495	1838	131	3457	2657	76.9
1991	2845	2186	138	3902	3122	90.0
1992	6845	4477	231	9007	6312	70.1
1993	8110	5509	281	9915	6980	70.4
1994	4640	3090	164	6036	4216	69.8
1995	5288	3851	185	6713	5061	75.4
1996	6779	5052	217	8318	6420	77.2
1997	5441	4116	187	6590	5162	78.3
1998	5431	4056	176	6770	5269	77.8
1999	7131	5440	207	8345	6562	78.6
2000	8142	6254	235	9705	7655	78.9
2001	8076	5992	207	9906	7513	75.8