SUMMARY DATA -- COLLECTIONS INSTITUTIONS GRANTING DOCTORAL DEGREES
	Question No.	High	Mean	Median	Low	Total	Libraries Reporting
Volumes in Library	4	6,177,219	1,284,083	875,267	7,672	346,702,295	270
Volumes Added (Gross)	2	156,082	34,428	23,405	250	9,157,893	266
Volumes Added (Net)	3	135,169	28,938	17,904	-3,834	7,784,430	269
Mono- graphs Purchased	5	71,505	14,736	9,131	104	3,580,966	243
Current Serials Purchased	6	30,350	6,807	4,020	84	1,640,405	241
Current Serials Not Purchased	7	25,699	3,592	834	25	635,788	177
Current Serials Total	8	52,666	10,207	4,920	97	2,694,754	264
Microform Units	9	7,488,735	1,801,489	1,165,227	0	495,409,525	275
Government Documents	10	2,666,638	265,013	12,932	0	55,917,756	211
Computer Files	11	12,756	2,441	1,328	0	598,088	245
Archives and Manus.	12	59,800	8,254	3,545	0	1,881,977	228
Carto- graphic Materials	13	719,429	99,275	23,139	0	22,039,086	222
Graphic Materials	14	2,244,378	165,535	10,167	0	35,921,071	217
Audio Materials	15	131,613	17,391	8,127	0	4,243,462	244
Film and Video	16	42,091	5,784	2,859	0	1,486,579	257