Computer Science

Volume, Title, and Unique Books data collected on May 31, 2004.
Circulation statistics for the ALC fiscal year ending May 31, 2004.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Computer Science. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899
1900-1909				1		1
1910-1919	1					1
1920-1929
1930-1939
1940-1949
1950-1959	2		1	1		4
1960-1969	15	1	54	24	1	95
1970-1974	26	3	31	39	9	108
1975-1979	30	2	46	51	9	138
1980-1984	84	18	45	223	45	415
1985-1989	180	56	73	359	70	738
1990-1994	346	155	33	127	50	711
1995	114	64	2	11	2	193
1996	80	63	3	14	11	171
1997	135	57	9	25	5	231
1998	114	95	14	18	9	250
1999	165	151	10	7	7	340
2000	119	98	13	1	6	237
2001	212	65	14	2	4	297
2002	94	75	17	1	3	190
2003	6	58	3		3	70
2004		13		1		14
Totals	1,723	974	368	905	234	4,204
Average Age	1994	1997	1984	1986	1988	1992
Percent of Collection	0.69%	0.43%	0.25%	0.67%	0.33%	0.50%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Computer Science. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899
1900-1909				1		1
1910-1919	1					1
1920-1929
1930-1939
1940-1949
1950-1959	2		1	1		4
1960-1969	13	1	38	21	1	68
1970-1974	26	3	31	37	7	88
1975-1979	28	2	46	51	9	126
1980-1984	82	18	45	218	44	371
1985-1989	155	56	72	341	70	646
1990-1994	172	140	33	125	49	482
1995	65	59	2	11	2	133
1996	55	57	3	14	11	130
1997	58	52	9	24	5	133
1998	55	79	14	18	9	164
1999	47	118	9	7	7	179
2000	44	81	13	1	6	140
2001	44	57	14	2	4	119
2002	33	65	13	1	3	112
2003	5	50	3		3	59
2004		13		1		14
Totals	885	851	346	874	230	2,970
Average Age	1991	1997	1985	1986	1989	1990
Percent of Collection	0.44%	0.52%	0.27%	0.72%	0.36%	0.51%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Computer Science. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899
1900-1909				1
1910-1919	1
1920-1929
1930-1939
1940-1949
1950-1959	2
1960-1969	9		24	14
1970-1974	19	3	22	22	4
1975-1979	19		42	41	8
1980-1984	66	15	32	183	28
1985-1989	116	43	49	298	57
1990-1994	112	117	22	108	30
1995	32	51	2	7	2
1996	33	47	2	8	6
1997	27	41	6	13	4
1998	25	58	11	14	5
1999	22	84	6	5	5
2000	23	61	10	1	3
2001	18	49	11	1	3
2002	16	55	9	1	1
2003	4	41	2		2
2004		13		1
Totals	544	678	250	718	158
Average Age	1990	1997	1985	1986	1988

Total Circulation

A count of charges and renewals for Computer Science. This count only includes circulation of bound monographs, CDs, videos, and DVDs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	326	29	8	5	8	0	376
APL Items	47	1,624	29	23	25	0	1,748
HSU Items	14	3	118	0	0	0	135
McM Items	0	6	1	17	0	0	24
HPU Items	0	0	0	0	0	0	0
Totals	387	1,662	156	45	33	0	2,283

Circulation by Item Age

A count of charges and renewals for Computer Science, broken down by item age and item owner. This count only includes circulation of bound monographs, CDs, videos, and DVDs, and only items which have a valid date in their DATE_1 field.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929
1930-1939
1940-1949
1950-1959
1960-1969		1	44	1		46
1970-1974		3	17			20
1975-1979	2	1	19	3		25
1980-1984	3	5	15	4		27
1985-1989	9	15	10			34
1990-1994	45	113	4	1		163
1995	36	49				85
1996	10	67		4		81
1997	44	69	2	4		119
1998	13	207	2	3		225
1999	41	352				393
2000	44	229	4			277
2001	64	205	10			279
2002	64	301	7	4		376
2003	1	123	1			125
2004		8				8
Totals	376	1,748	135	24	0	2,283
Percent of Circulation	0.89%	0.27%	0.58%	0.25%	0%	0.31%

Non-Circulating Use

A count of Non-Circulating usage for Computer Science (as recorded by the circulation "Mark Item Used" command). This count only includes bound monographs, CDs, videos, and DVDs.

ACU	APL	HSU	McM	HPU
164	0	13	10	0

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