Psychology

Volume, Title, and Unique Books data collected on May 31, 2006.
Circulation statistics for the ALC fiscal year ending May 31, 2006.

Volume Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	26		7	2	3	38
1900-1909	45	1	7	31	3	87
1910-1919	41		7	2	5	55
1920-1929	68		22	14	8	112
1930-1939	87		31	26	21	165
1940-1949	137	4	58	57	38	294
1950-1959	515	7	172	268	102	1,064
1960-1969	928	44	407	536	213	2,128
1970-1974	424	48	310	275	134	1,191
1975-1979	480	110	307	233	153	1,283
1980-1984	461	82	242	281	167	1,233
1985-1989	393	219	124	300	114	1,150
1990-1994	316	412	138	149	105	1,120
1995	47	126	32	36	20	261
1996	51	125	41	17	37	271
1997	57	122	54	18	41	292
1998	73	143	64	24	29	333
1999	61	187	77	30	30	385
2000	49	167	43	13	30	302
2001	49	147	57	13	21	287
2002	31	154	27	4	21	237
2003	23	138	37	1	20	219
2004	26	119	13	9	20	187
2005	12	127	8	1	8	156
2006	3	41	1			45
Totals	4,403	2,523	2,286	2,340	1,343	12,895
Average Age	1972	1995	1976	1973	1978	1978
Percent of Collection	1.66%	1.03%	1.50%	1.69%	1.79%	1.47%

Title Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	24		7	2	3	34
1900-1909	20	1	7	8	3	38
1910-1919	36		6	2	5	48
1920-1929	64		19	14	4	93
1930-1939	83		29	24	20	133
1940-1949	127	4	57	56	37	221
1950-1959	463	7	160	223	100	720
1960-1969	857	40	377	505	202	1,416
1970-1974	336	46	295	266	132	872
1975-1979	430	105	291	223	152	995
1980-1984	360	74	239	263	162	895
1985-1989	295	184	121	289	106	841
1990-1994	257	358	127	139	97	866
1995	42	105	32	31	20	209
1996	47	100	41	16	37	214
1997	46	103	54	18	41	232
1998	53	118	61	24	26	259
1999	51	142	73	30	29	277
2000	32	119	35	13	23	200
2001	37	99	52	13	18	191
2002	24	112	25	4	21	167
2003	19	100	26	1	20	154
2004	21	95	13	9	17	141
2005	8	94	8	1	8	114
2006	3	24	1			28
Totals	3,735	2,030	2,156	2,174	1,283	9,358
Average Age	1971	1994	1976	1974	1978	1978
Percent of Collection	1.76%	1.17%	1.59%	1.75%	1.90%	1.54%

Unique Books Count and Average Age

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

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899	20		6	1	3
1900-1909	17	1	6	7	2
1910-1919	31		5	2	4
1920-1929	58		15	9	2
1930-1939	63		19	12	12
1940-1949	83	2	27	23	18
1950-1959	293	2	69	95	35
1960-1969	436	15	126	205	56
1970-1974	171	28	178	163	64
1975-1979	266	66	184	120	92
1980-1984	203	38	143	148	100
1985-1989	190	128	57	202	43
1990-1994	162	285	83	96	52
1995	27	75	27	17	12
1996	28	76	32	11	18
1997	20	82	38	12	23
1998	26	88	50	16	18
1999	28	97	47	16	6
2000	16	74	24	4	12
2001	21	67	33	5	7
2002	14	74	14		6
2003	12	71	18		12
2004	12	72	8	3	9
2005	1	64	6	1	4
2006	3	11	1
Totals	2,201	1,416	1,216	1,168	610
Average Age	1970	1995	1978	1975	1978

Total Circulation

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

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	388	66	27	14	0	3	498
APL Items	220	3,736	102	51	30	0	4,139
HSU Items	39	29	167	15	0	2	252
McM Items	21	14	9	45	0	1	90
HPU Items	9	0	4	1	0	51	65
Totals	677	3,845	309	126	30	57	5,044

Circulation by Item Age

A count of charges and renewals for Psychology, 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			2			2
1900-1909	2	1	1			4
1910-1919	2		5			7
1920-1929				2		2
1930-1939	3		4		1	8
1940-1949	3	2	2			7
1950-1959	27	3	6	4	2	42
1960-1969	26	36	20	2	6	90
1970-1974	48	27	15	11	4	105
1975-1979	51	66	20	13	3	153
1980-1984	42	37	28	15	11	133
1985-1989	42	174	21	11	3	251
1990-1994	92	374	28	15	3	512
1995	11	185	18	1	4	219
1996	16	156	4	1	1	178
1997	10	174	4		3	191
1998	20	308	19	6		353
1999	11	392	14		2	419
2000	15	340	11	1	2	369
2001	18	260	20	2		300
2002	17	341	2		4	364
2003	20	308	6		9	343
2004	14	416	2	6	3	441
2005	8	468			4	480
2006		71				71
Totals	498	4,139	252	90	65	5,044
Percent of Circulation	1.30%	0.63%	1.09%	1.10%	1.32%	0.69%

Non-Circulating Use

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

ACU	APL	HSU	McM	HPU
123	0	83	22	13

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