Chemistry

Volume, Title, and Unique Books data collected on May 31, 2007.
Circulation statistics for the ALC fiscal year ending May 31, 2007.

Volume Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899	1		4		1	6
1900-1909	2		2	3		7
1910-1919	1		3	1	1	6
1920-1929	5		22	14	13	54
1930-1939	34		36	22	4	96
1940-1949	73		63	151	63	350
1950-1959	231	2	98	268	46	645
1960-1969	394	8	184	626	87	1,299
1970-1974	585	4	92	247	109	1,037
1975-1979	131	3	33	174	49	390
1980-1984	86	5	31	127	61	310
1985-1989	66	3	21	124	25	239
1990-1994	83	18	35	44	37	217
1995-1999	101	26	47	38	16	228
2000-2004	95	21	6	13	11	146
2005	2	3	1	3	4	13
2006					2	2
2007	1					1
Totals	1,891	93	678	1,855	529	5,046
Average Age	1972	1991	1965	1968	1970	1969
Percent of Collection	0.67%	0.03%	0.43%	1.33%	0.69%	0.55%

Title Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899	1		4		1	6
1900-1909	1		2	1		4
1910-1919	1		3	1	1	5
1920-1929	5		16	4	4	27
1930-1939	13		32	19	3	61
1940-1949	36		50	56	11	128
1950-1959	131	2	62	140	24	279
1960-1969	281	7	163	536	57	830
1970-1974	157	4	76	222	65	441
1975-1979	92	3	31	159	47	288
1980-1984	69	3	30	119	59	227
1985-1989	54	2	18	119	25	185
1990-1994	64	17	35	40	37	159
1995-1999	79	19	46	37	13	167
2000-2004	52	19	6	13	11	94
2005	2	3	1	3	4	10
2006					2	2
2007	1					1
Totals	1,039	79	575	1,469	364	2,914
Average Age	1973	1991	1966	1970	1975	1972
Percent of Collection	0.46%	0.04%	0.41%	1.17%	0.53%	0.46%

Unique Books Count and Average Age

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

	ACU	APL	HSU	McM	HPU
1400-1699
1700-1799
1800-1899	1		4		1
1900-1909			2
1910-1919	1		2	1
1920-1929	4		14	2	3
1930-1939	6		27	14	1
1940-1949	21		35	31	2
1950-1959	77	2	23	81	8
1960-1969	137	3	77	362	19
1970-1974	77	3	39	152	40
1975-1979	51	1	17	119	33
1980-1984	36	1	10	80	37
1985-1989	31	1	6	90	15
1990-1994	46	11	26	24	17
1995-1999	54	7	31	22	7
2000-2004	35	16	6	8	6
2005	2	2	1		2
2006					2
2007	1
Totals	580	47	320	986	193
Average Age	1974	1992	1965	1971	1977

Total Circulation

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

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	24	1	1	1	0	0	27
APL Items	25	87	17	1	0	0	130
HSU Items	0	2	11	0	0	0	13
McM Items	0	0	0	10	0	1	11
HPU Items	1	0	0	0	0	2	3
Totals	50	90	29	12	0	3	184

Circulation by Item Age

A count of charges and renewals for Chemistry, 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
1400-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929	3					3
1930-1939
1940-1949			1			1
1950-1959			4			4
1960-1969	1	10	3	2		16
1970-1974	2			2		4
1975-1979	1			1		2
1980-1984	1	13				14
1985-1989	2	1		3		6
1990-1994	4	9	1	1	2	17
1995-1999	4	44	3	1	1	53
2000-2004	9	45				54
2005		8	1	1		10
2006
2007
Totals	27	130	13	11	3	184
Percent of Circulation	0.07%	0.02%	0.06%	0.15%	0.06%	0.03%

Non-Circulating Use

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

ACU	APL	HSU	McM	HPU
8	0	11	14	2

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