Astronomy

Volume, Title, and Unique Books data collected on June 27, 2001.
Circulation statistics for the ALC fiscal year ending May 31, 2001.

Volume Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	4		1	5	2	12
1900-1909	5	3			2	10
1910-1919	4		2	1	1	8
1920-1929	4	1	3	1		9
1930-1939	9		3		1	13
1940-1949	14	1	9		1	25
1950-1959	53	10	17	23	9	112
1960-1969	143	55	47	83	5	333
1970-1974	55	37	26	37	6	161
1975-1979	61	68	37	57	14	237
1980-1984	61	39	48	86	14	248
1985-1989	43	53	55	101	18	270
1990-1994	47	117	61	43	15	283
1995	6	17	10	17	3	53
1996	8	13	6	16	3	46
1997	7	31	16	9	4	67
1998	2	24	13	14	4	57
1999	4	22	1	17	8	52
2000		9		6	8	23
2001		4				4
2002
Totals	530	504	355	516	118	2,023
Average Age	1971	1984	1979	1980	1980	1978
Percent of Collection	0.25%	0.28%	0.26%	0.39%	0.18%	0.28%

Title Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	4		1	5	2	9
1900-1909	5	1			2	8
1910-1919	4		2	1	1	8
1920-1929	4	1	3	1		6
1930-1939	9		3		1	13
1940-1949	14	1	9		1	24
1950-1959	51	10	17	19	9	86
1960-1969	136	54	44	78	5	263
1970-1974	55	37	26	36	6	131
1975-1979	60	65	33	53	13	172
1980-1984	57	37	47	82	14	179
1985-1989	42	45	52	97	17	192
1990-1994	46	102	61	41	15	221
1995	6	17	10	17	3	40
1996	8	13	6	16	3	34
1997	7	26	15	9	4	47
1998	2	20	13	14	2	42
1999	4	18	1	17	8	33
2000		8		6	8	18
2001		4				4
2002
Totals	514	459	343	492	114	1,530
Average Age	1971	1984	1979	1980	1979	1978
Percent of Collection	0.28%	0.34%	0.29%	0.41%	0.19%	0.30%

Unique Books Count and Average Age

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

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899	3			3	1
1900-1909	5				2
1910-1919	4		2	1	1
1920-1929	1		2
1930-1939	9		3		1
1940-1949	14		8		1
1950-1959	40	5	12	8	4
1960-1969	101	36	19	45	2
1970-1974	41	23	15	20	2
1975-1979	37	40	17	24	3
1980-1984	34	15	26	50	5
1985-1989	28	23	25	55	4
1990-1994	33	64	42	20	2
1995	5	12	5	7
1996	3	7	4	10
1997	5	14	9	4
1998	1	11	6	8	1
1999	1	11		6
2000		7		2	4
2001		4
2002
Totals	365	272	195	263	33
Average Age	1969	1984	1979	1979	1966

Total Circulation

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

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	40	5	12	4	0	0	61
APL Items	8	461	9	26	0	0	504
HSU Items	1	6	18	8	0	0	33
McM Items	1	4	0	87	0	0	92
HPU Items	0	0	0	0	0	0	0
Totals	50	476	39	125	0	0	690

Circulation by Item Age

A count of charges and renewals for Astronomy, 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				4		4
1900-1909		1				1
1910-1919
1920-1929	2					2
1930-1939
1940-1949	1	1				2
1950-1959	4	8		4		16
1960-1969	17	25	1	8		51
1970-1974	7	23	1	6		37
1975-1979	9	30	6	15		60
1980-1984	4	34	2	14		54
1985-1989	5	45	4	19		73
1990-1994	3	109	4	6		122
1995		34	4	2		40
1996	3	19	4	4		30
1997	2	44	4	1		51
1998	4	52	3	1		60
1999		54		8		62
2000		24				24
2001		1				1
2002
Totals	61	504	33	92	0	690
Percent of Circulation	0.13%	0.14%	0.14%	0.73%	0%	0.15%

Non-Circulating Use

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

ACU	APL	HSU	McM	HPU
17	3	23	6	2

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