Microbiology

Volume, Title, and Unique Books data collected on June 4, 2002.
Circulation statistics for the ALC fiscal year ending May 31, 2002.

Volume Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	5					5
1900-1909	2					2
1910-1919	5					5
1920-1929	13		2		1	16
1930-1939	8			2		10
1940-1949	19	2	1	2		24
1950-1959	72	1	2	10		85
1960-1969	113	8	30	33	1	185
1970-1974	40	6	26	23	1	96
1975-1979	45	8	28	10	6	97
1980-1984	29	1	19	23	12	84
1985-1989	36	4	10	18	2	70
1990-1994	35	32	8	8	5	88
1995	6	5	1	7		19
1996	17	6	2	1	3	29
1997	11	7	2			20
1998	6	13	1	2	1	23
1999	3	15	1	1	1	21
2000	1	8		2	6	17
2001	2	7	1	1	1	12
2002		1				1
Totals	468	124	134	143	40	909
Average Age	1969	1990	1976	1976	1986	1975
Percent of Collection	0.22%	0.07%	0.10%	0.11%	0.06%	0.13%

Title Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	5					5
1900-1909	2					2
1910-1919	5					5
1920-1929	11		2		1	12
1930-1939	7			2		9
1940-1949	15	2	1	2		19
1950-1959	66	1	2	7		71
1960-1969	98	8	29	29	1	140
1970-1974	39	6	23	21	1	78
1975-1979	44	8	27	10	6	92
1980-1984	23	1	16	19	9	59
1985-1989	33	4	10	17	2	63
1990-1994	27	30	8	7	5	69
1995	5	5	1	7		18
1996	17	5	2	1	3	27
1997	11	7	2			20
1998	6	10	1	2	1	19
1999	3	13	1	1	1	17
2000	1	7		2	3	13
2001	2	7	1	1	1	11
2002		1				1
Totals	420	115	126	128	34	750
Average Age	1969	1990	1976	1976	1985	1975
Percent of Collection	0.23%	0.09%	0.10%	0.11%	0.05%	0.15%

Unique Books Count and Average Age

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

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899	4
1900-1909	2
1910-1919	5
1920-1929	9		1
1930-1939	4			2
1940-1949	8	1	1	2
1950-1959	51		1	1
1960-1969	62	5	17	10	1
1970-1974	29	5	13	12	1
1975-1979	39	6	20	8	6
1980-1984	15		9	15	2
1985-1989	21	3	9	14	1
1990-1994	16	14	4	4	2
1995	2	4	1	6
1996	14	4	2		2
1997	9	5	2
1998	4	4	1	2
1999	2	8	1
2000	1	3		2	1
2001	1	7		1
2002		1
Totals	298	70	82	79	16
Average Age	1969	1990	1977	1979	1983

Total Circulation

A count of charges and renewals for Microbiology. This count only includes circulation of bound monographs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	10	5	0	7	0	1	23
APL Items	4	68	4	2	0	0	78
HSU Items	4	0	6	0	0	0	10
McM Items	0	0	0	6	0	0	6
HPU Items	0	0	0	0	0	0	0
Totals	18	73	10	15	0	1	117

Circulation by Item Age

A count of charges and renewals for Microbiology, broken down by item age and item owner. This count only includes circulation of bound monographs, 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	1					1
1900-1909
1910-1919
1920-1929	1					1
1930-1939
1940-1949	1	1				2
1950-1959	3	1				4
1960-1969	4	3	1	1		9
1970-1974	1		3			4
1975-1979		5	2			7
1980-1984
1985-1989	4	3	1	1		9
1990-1994		12	2	3		17
1995		5				5
1996	5	4				9
1997		3	1			4
1998	1	8				9
1999	1	11				12
2000		11		1		12
2001	1	11				12
2002
Totals	23	78	10	6	0	117
Percent of Circulation	0.05%	0.02%	0.04%	0.05%	0%	0.03%

Non-Circulating Use

A count of Non-Circulating usage for Microbiology (as recorded by the circulation "NC" command). This count only includes bound monographs.

ACU	APL	HSU	McM	HPU
18	0	11	7	1

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