History -- Americas

Volume, Title, and Unique Books data collected on May 31, 2010.
Circulation statistics for the ALC fiscal year ending May 31, 2010.

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
1400-1699			1			1
1700-1799	1					1
1800-1899	410	51	119	140	154	874
1900-1909	372	113	158	158	110	911
1910-1919	260	44	179	106	97	686
1920-1929	441	47	337	288	172	1,286
1930-1939	424	92	448	375	216	1,555
1940-1949	715	133	660	660	367	2,538
1950-1959	1,532	286	1,102	1,414	431	4,776
1960-1969	2,123	884	2,064	3,195	949	9,233
1970-1974	662	651	985	1,570	513	4,398
1975-1979	625	991	542	792	350	3,305
1980-1984	439	1,078	380	804	313	3,028
1985-1989	441	1,240	391	964	330	3,373
1990-1994	443	1,460	339	746	381	3,371
1995-1999	441	1,224	288	629	443	3,028
2000-2004	524	1,145	457	473	342	2,941
2005	76	248	50	93	51	518
2006	73	291	81	82	88	615
2007	60	328	50	24	48	510
2008	51	250	42	11	68	422
2009	28	161	27	3	12	231
2010	8	49	2		1	60
Totals	10,149	10,766	8,702	12,527	5,436	47,661
Average Age	1961	1985	1964	1969	1968	1970
Percent of Collection	3.34%	3.58%	5.17%	8.91%	6.79%	4.79%

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
1400-1699			1			1
1700-1799	1					1
1800-1899	267	44	89	112	105	576
1900-1909	194	66	95	119	78	443
1910-1919	160	28	147	86	73	424
1920-1929	267	36	229	179	132	651
1930-1939	317	74	359	275	183	925
1940-1949	537	90	582	491	317	1,406
1950-1959	1,101	230	882	1,029	347	2,356
1960-1969	1,602	664	1,723	2,649	882	5,312
1970-1974	573	444	824	1,368	445	2,814
1975-1979	532	745	474	687	330	2,158
1980-1984	389	757	345	718	300	1,954
1985-1989	373	913	369	870	321	2,263
1990-1994	390	1,156	300	683	365	2,389
1995-1999	395	976	284	585	401	2,232
2000-2004	425	870	433	456	316	2,102
2005	64	197	43	91	49	381
2006	64	247	66	80	73	466
2007	57	255	46	24	48	391
2008	41	185	35	11	66	301
2009	20	109	20	3	12	155
2010	8	25	2		1	34
Totals	7,777	8,111	7,348	10,516	4,844	29,735
Average Age	1964	1985	1966	1970	1970	1972
Percent of Collection	3.19%	4.09%	4.92%	8.32%	6.68%	4.38%

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
1400-1699			1
1700-1799	1
1800-1899	199	37	62	72	70
1900-1909	115	52	42	58	34
1910-1919	84	20	93	47	43
1920-1929	140	22	124	71	53
1930-1939	168	53	179	114	85
1940-1949	232	52	242	156	111
1950-1959	412	118	293	286	69
1960-1969	652	340	546	1,025	306
1970-1974	268	261	348	711	179
1975-1979	249	468	242	318	144
1980-1984	188	513	134	336	123
1985-1989	185	634	158	418	120
1990-1994	194	811	155	343	153
1995-1999	212	700	169	291	197
2000-2004	226	568	243	209	141
2005	40	146	23	39	23
2006	40	190	40	34	35
2007	25	200	27	13	25
2008	32	126	15	4	35
2009	9	75	16	1	9
2010	6	13	2
Totals	3,677	5,399	3,154	4,546	1,955
Average Age	1963	1986	1966	1972	1971

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	565	77	74	24	0	5	745
APL Items	265	2,983	160	49	0	0	3,457
HSU Items	103	50	492	10	0	3	658
McM Items	175	59	104	441	0	9	788
HPU Items	36	0	30	3	0	130	199
Totals	1,144	3,169	860	527	0	147	5,847

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
1400-1699
1700-1799
1800-1899	12		12	6	1	31
1900-1909	8		7	3		18
1910-1919	5		3	1		9
1920-1929	8	5	2	10	5	30
1930-1939	18	3	20	20	6	67
1940-1949	27	4	11	14	2	58
1950-1959	70	28	34	52	7	191
1960-1969	89	78	98	117	27	409
1970-1974	21	72	47	59	8	207
1975-1979	41	53	47	47	7	195
1980-1984	48	65	57	57	14	241
1985-1989	60	99	40	69	6	274
1990-1994	51	204	49	91	34	429
1995-1999	86	233	59	92	24	494
2000-2004	117	699	105	87	27	1,035
2005	12	316	9	28	6	371
2006	22	324	19	22	6	393
2007	28	404	15	10	7	464
2008	16	328	22	1	11	378
2009	5	489	2	2	1	499
2010	1	53				54
Totals	745	3,457	658	788	199	5,847
Percent of Circulation	2.34%	0.44%	3.35%	13.37%	5.45%	0.70%

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
299	10	233	333	41

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