History -- Americas

Volume, Title, and Unique Books data collected on May 31, 2011.
Circulation statistics for the ALC fiscal year ending May 31, 2011.

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	139	154	873
1900-1909	372	113	158	157	110	910
1910-1919	260	44	179	105	97	685
1920-1929	440	47	337	286	173	1,284
1930-1939	429	92	449	372	216	1,558
1940-1949	711	133	658	648	367	2,520
1950-1959	1,516	286	1,095	1,363	431	4,702
1960-1969	2,062	886	2,050	3,033	950	8,999
1970-1974	655	652	965	1,556	513	4,358
1975-1979	619	992	537	784	350	3,287
1980-1984	437	1,082	373	784	313	3,003
1985-1989	407	1,241	377	933	328	3,293
1990-1994	389	1,466	331	711	383	3,283
1995-1999	403	1,235	263	621	445	2,970
2000-2004	454	1,172	308	474	343	2,751
2005	57	249	31	94	52	483
2006	68	291	59	82	89	589
2007	59	330	41	24	48	502
2008	54	252	46	14	74	440
2009	33	174	48	6	29	290
2010	18	126	16	1	22	183
2011	1	45	2			48
Totals	9,855	10,959	8,443	12,187	5,487	47,013
Average Age	1960	1985	1963	1969	1969	1970
Percent of Collection	3.18%	3.46%	4.90%	8.65%	6.78%	4.59%

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	111	105	576
1900-1909	194	66	95	118	78	442
1910-1919	160	28	147	85	73	423
1920-1929	266	36	229	177	133	650
1930-1939	315	74	359	267	183	918
1940-1949	533	90	580	479	317	1,391
1950-1959	1,086	230	875	980	347	2,298
1960-1969	1,556	665	1,711	2,491	883	5,118
1970-1974	566	445	805	1,354	445	2,783
1975-1979	526	747	469	679	330	2,140
1980-1984	387	760	338	698	300	1,928
1985-1989	340	914	356	839	320	2,202
1990-1994	337	1,161	292	648	367	2,316
1995-1999	355	986	259	577	403	2,179
2000-2004	339	882	287	457	317	1,891
2005	45	197	25	92	50	349
2006	57	247	44	80	74	437
2007	56	257	37	24	48	383
2008	44	186	40	14	72	316
2009	24	116	38	6	29	194
2010	17	69	13	1	22	109
2011	1	34	2			37
Totals	7,472	8,234	7,091	10,177	4,896	29,082
Average Age	1963	1986	1965	1970	1971	1972
Percent of Collection	3.00%	4.00%	4.64%	8.03%	6.67%	4.20%

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	57	34
1910-1919	84	20	93	47	43
1920-1929	139	22	124	70	54
1930-1939	168	53	179	108	85
1940-1949	228	52	240	148	111
1950-1959	404	118	290	253	68
1960-1969	618	340	538	900	306
1970-1974	265	262	337	699	179
1975-1979	244	470	239	314	144
1980-1984	184	515	129	328	123
1985-1989	165	635	153	406	120
1990-1994	166	814	150	328	155
1995-1999	195	707	146	287	197
2000-2004	158	571	152	209	139
2005	25	146	12	39	23
2006	32	190	18	34	35
2007	24	202	19	13	23
2008	35	126	20	4	37
2009	12	78	26	1	16
2010	11	33	7	1	15
2011	1	27	2
Totals	3,473	5,470	2,979	4,318	1,977
Average Age	1961	1986	1965	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	360	126	54	14	0	7	561
APL Items	115	2,074	68	91	0	0	2,348
HSU Items	34	52	529	14	0	8	637
McM Items	42	71	82	301	0	4	500
HPU Items	10	1	7	4	0	234	256
Totals	561	2,324	740	424	0	253	4,302

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	7		14	6	4	31
1900-1909	3		3	2		8
1910-1919	6		10	2		18
1920-1929	10	1	4		6	21
1930-1939	8	5	17	3		33
1940-1949	13	11	31	4	7	66
1950-1959	51	17	61	34	18	181
1960-1969	73	46	107	63	69	358
1970-1974	37	58	54	44	17	210
1975-1979	25	72	51	25	14	187
1980-1984	19	59	37	49	24	188
1985-1989	45	104	24	53	25	251
1990-1994	39	181	28	58	15	321
1995-1999	51	190	45	59	9	354
2000-2004	70	332	91	63	17	573
2005	10	87	7	9	1	114
2006	28	98	11	17	7	161
2007	26	115	10	1	3	155
2008	13	118	14	4	20	169
2009	12	99	8	3		122
2010	12	688	10	1		711
2011	3	67				70
Totals	561	2,348	637	500	256	4,302
Percent of Circulation	1.72%	0.32%	3.18%	9.44%	7.39%	0.54%

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
147	24	104	269	50

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