Social Work Library: Collection Statistics

Collection Statistics

Collection statistics track changes in the number of volumes in the library collections. Volumes are added by purchase, gifts, exchanges (PG&E) or added by transfer. Volumes are lost from the collections by transferring to other collections, or records are withdrawn when volumes have are assigned a "missing" status. Statistics are reported for the Social Work Library (SWL) and the for the entire University Library System (Ulib).

Date	Volumes In Library		Added by PG&E		Added by Transfer		Withdrawn by Transfer		Withdrawn
Date	SWL	Ulib	SWL	Ulib	SWL	Ulib	SWL	Ulib	SWL	Ulib
6/30/58	524	2,267,493	634	56,267	241	93,275	0	93,275	0	2,102
6/30/59	1,399	2,321,658	1,088	71,452	0	563	0	467	0	2,476
6/30/60	2,487	2,422,943	875	85,336	0	6,264	0	6,264	0	7,450
6/30/61	3,362	2,500,829	655	94,611	14	54,347	0	54,347	2	6,617
6/30/62	4,029	2,588,823	1,268	107,493	14	1,270	0	1,270	90	4,394
6/30/63	5,223	2,691,922	1,107	103,776	34	3,679	2	3,630	1	4,359
6/30/64	6,359	2,791,388	1,340	113,878	5	6,039	0	6,039	0	6,039
6/30/65	7,704	2,945,416	1,186	120,413	107	5,320	1	5,331	0	5,099
6/30/66	8,996	3,060,719	1,562	151,619	25	6,862	1	6,862	87	9,559
6/30/67	10,495	3,170,563	1,121	161,414	25	5,563	1	5,563	30	5,236
6/30/68	11,610	3,326,741	1,495	181,742	18	5,539	0	5,492	46	10,940
6/30/69	13,077	3,357,616	2,091	160,085	14	3,788	1	3,707	273	12,310
6/30/70	14,908	3,505,472	2,030	157,134	3	5,281	0	5,274	14	10,092
6/30/71	16,927	3,652,521	2,313	124,948	3	3,080	4	3,080	20	15,430
6/30/72	19,219	3,622,181	2,473	130,584	18	2,145	0	2,105	29	18,461
6/30/73	21,681	3,731,873	2,261	118,199	10	12,511	23	12,510	1,090	26,927
6/30/74	22,839	3,823,146	1,479	117,599	8	4,430	0	4,430	541	16,247
6/30/75	23,785	3,924,498	1,953	119,147	36	2,907	0	2,900	141	14,022
6/30/76	25,633	4,029,771	2,160	130,095	2	5,790	62	5,790	522	21,263
6/30/77	27,211	4,173,359	2,023	106,863	2	5,021	18	5,821	161	25,047
6/30/78	29,057	4,255,175	1,706	100,882	0	1,722	47	1,722	1,308	1,722
6/30/79	29,408	4,324,821	2,225	109,590	1	2,315	57	2,315	343	28,191
6/30/80	31,234	4,406,220	2,731	119,586	0	4,313	53	4,313	1,651	22,613
6/30/81	32,261	4,503,193	3,133	112,714	116	5,020	152	5,020	1,804	19,926
6/30/82	33,554	4,595,981	3,054	107,195	22	4,222	6	4,222	317	18,586
6/30/83	36,307	4,684,590	979	97,541	0	1,205	28	1,205	346	18,119
6/30/84	36,994	4,780,331	1,755	115,681	4	2,160	2	2,160	650	8,896
6/30/85	38,101	4,887,116	2,004	127,439	0	1,865	0	1,865	2,577	15,875
6/30/86	37,528	4,998,680	1,441	112,003	0	1,299	2	1,299	2,379	28,680
6/30/87	36,588	5,082,003	1,078	110,032	0	987	0	987	716	6,229
6/30/88	36,950	5,185,806	971	110,056	0	558	0	558	354	6,987
6/30/89	37,567	5,288,875	839	110,678	0	2,027	16	2,027	668	4,040
6/30/90	37,722	5,395,513	1,029	106,579	6	1,443	1	1,443	646	9,478
6/30/91	38,110	5,492,634	787	109,205	0	956	17	956	5	12,581
6/30/92	38,875	5,589,259	936	116,117	1	1,932	0	1,932	1,258	24,503
6/30/93	38,554	5,680,872	1,110	140,958	0	19,478	76	19,478	689	21,711
6/30/94	38,899	5,800,119	763	126,017	0	877	0	877	481	25,720
6/30/95	38,186	5,900,416	1,223	116,165	0	3,056	1	3,056	197	28,947
6/30/96	39,211	5,987,634	975	126,030	1	14,665	7	14,665	411	30,966
6/30/97	39,769	6,082,698	1,860	125,086	0	5,274	16	5,274	679	32,585
6/30/98	40,934	6,175,199	1,398	131,277	0	1,254	4	1,254	173	23,091
6/30/99	42,155	6,283,385	1,729	160,672	0	3,474	0	3,474	258	21,755
6/30/00	43,626	6,422,302	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
6/30/01
6/30/02
6/30/03	47,435	6,847,464	1,058	151,428	17	2,595	24	2,595	219	5,293
6/30/04	48,267	6,993,599	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a

n/a Statistics not available

Document Custodian: Karen Blackford

Content last updated on: 14 February 2005

Social Work Library | (734) 764-5169 | social.work.library@umich.edu

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