History -- Americas

Volume, Title, and Unique Books data collected on May 31, 2003.
Circulation statistics for the ALC fiscal year ending May 31, 2003.

Volume Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699			1			1
1700-1799	1					1
1800-1899	278	41	134	140	154	747
1900-1909	306	108	168	158	110	850
1910-1919	225	43	184	107	97	656
1920-1929	418	44	341	288	171	1,262
1930-1939	384	90	437	375	216	1,502
1940-1949	661	137	655	660	366	2,479
1950-1959	1,436	284	1,069	1,413	423	4,625
1960-1969	1,980	898	1,980	3,194	946	8,998
1970-1974	588	605	957	1,576	506	4,232
1975-1979	557	918	524	794	349	3,142
1980-1984	382	1,020	357	804	313	2,876
1985-1989	355	1,118	376	959	326	3,134
1990-1994	358	1,352	289	739	380	3,118
1995	55	289	39	128	83	594
1996	56	229	58	130	78	551
1997	51	175	39	130	99	494
1998	68	201	59	129	117	574
1999	76	220	60	88	60	504
2000	63	186	71	96	74	490
2001	84	166	43	35	50	378
2002	62	192	23	5	31	313
2003	63	91	6	2	23	185
Totals	8,507	8,407	7,870	11,950	4,972	41,706
Average Age	1958	1980	1961	1967	1965	1967
Percent of Collection	3.78%	3.90%	5.47%	8.83%	7.06%	5.28%

Title Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699			1			1
1700-1799	1					1
1800-1899	144	35	91	112	105	448
1900-1909	131	62	98	119	78	384
1910-1919	137	27	152	87	73	408
1920-1929	245	34	233	180	131	632
1930-1939	289	72	350	275	183	900
1940-1949	505	88	578	491	316	1,376
1950-1959	1,050	228	861	1,029	345	2,292
1960-1969	1,522	664	1,655	2,645	880	5,205
1970-1974	522	438	797	1,368	444	2,734
1975-1979	492	735	457	686	329	2,098
1980-1984	339	715	324	717	300	1,853
1985-1989	310	864	355	866	318	2,144
1990-1994	321	1,092	260	676	364	2,250
1995	52	215	39	113	73	414
1996	46	199	57	122	62	415
1997	45	149	37	118	92	383
1998	67	162	59	121	112	433
1999	66	177	60	87	57	368
2000	52	146	66	95	68	358
2001	58	128	43	35	48	262
2002	51	136	23	5	29	226
2003	31	67	5	1	14	110
Totals	6,476	6,433	6,601	9,948	4,421	25,695
Average Age	1962	1981	1962	1968	1967	1969
Percent of Collection	3.48%	4.12%	5.21%	8.20%	6.95%	4.62%

Unique Books Count and Average Age

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

	ACU	APL	HSU	McM	HPU
1600-1699			1
1700-1799	1
1800-1899	85	30	64	76	71
1900-1909	56	49	45	59	35
1910-1919	69	20	95	46	44
1920-1929	121	20	128	73	53
1930-1939	155	52	178	117	86
1940-1949	214	50	245	156	113
1950-1959	383	118	286	290	71
1960-1969	621	343	523	1,018	309
1970-1974	235	252	337	721	184
1975-1979	228	463	237	317	140
1980-1984	157	485	127	342	121
1985-1989	145	602	150	417	122
1990-1994	149	766	142	342	157
1995	22	146	25	55	31
1996	22	143	35	60	28
1997	20	114	19	66	50
1998	39	109	39	59	64
1999	34	116	30	32	26
2000	34	95	40	42	32
2001	24	79	26	17	24
2002	27	88	16	2	19
2003	3	48	2		4
Totals	2,844	4,188	2,790	4,307	1,784
Average Age	1962	1982	1962	1970	1967

Total Circulation

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

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	969	65	28	13	19	17	1,111
APL Items	284	2,008	129	57	149	0	2,627
HSU Items	67	60	569	26	6	13	741
McM Items	200	68	58	508	21	29	884
HPU Items	40	0	40	10	0	159	249
Totals	1,560	2,201	824	614	195	218	5,612

Circulation by Item Age

A count of charges and renewals for History -- Americas, 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	25		7	3	3	38
1900-1909	14		6	5	1	26
1910-1919	35		2		3	40
1920-1929	25	2	14	11	16	68
1930-1939	33	3	23	10	8	77
1940-1949	58	7	30	19	4	118
1950-1959	131	51	50	73	15	320
1960-1969	207	135	136	162	39	679
1970-1974	77	96	97	87	14	371
1975-1979	71	119	48	56	34	328
1980-1984	55	129	60	83	14	341
1985-1989	62	189	50	99	18	418
1990-1994	114	346	57	135	23	675
1995	19	106	5	26	4	160
1996	21	107	19	27	6	180
1997	23	65	15	17	13	133
1998	27	109	24	25	14	199
1999	23	99	24	23	7	176
2000	33	138	37	17	7	232
2001	44	299	28	3	6	380
2002	12	512	8	3		535
2003	2	115	1			118
Totals	1,111	2,627	741	884	249	5,612
Percent of Circulation	2.85%	0.48%	3.09%	9.26%	5.73%	0.91%

Non-Circulating Use

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

ACU	APL	HSU	McM	HPU
320	32	934	206	54

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