History -- Americas

Volume, Title, and Unique Books data collected on May 31, 2009.
Circulation statistics for the ALC fiscal year ending May 31, 2009.

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	50	135	140	155	890
1900-1909	371	113	172	158	110	924
1910-1919	260	44	185	106	97	692
1920-1929	439	46	341	288	172	1,287
1930-1939	424	92	450	375	216	1,557
1940-1949	711	133	667	660	367	2,540
1950-1959	1,526	285	1,098	1,414	430	4,764
1960-1969	2,110	886	2,066	3,195	949	9,224
1970-1974	658	653	982	1,570	511	4,391
1975-1979	619	991	543	792	350	3,300
1980-1984	430	1,072	378	804	313	3,011
1985-1989	430	1,228	386	964	330	3,344
1990-1994	433	1,461	335	746	381	3,358
1995-1999	430	1,221	280	629	442	3,005
2000-2004	517	1,129	453	470	340	2,909
2005	73	237	48	92	50	500
2006	72	288	62	80	86	588
2007	59	326	47	23	47	502
2008	46	239	14	3	37	339
2009	17	83	7			107
Totals	10,036	10,577	8,650	12,509	5,383	47,234
Average Age	1960	1985	1964	1968	1968	1969
Percent of Collection	3.40%	3.68%	5.27%	8.90%	6.78%	4.88%

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	43	92	112	106	579
1900-1909	194	66	102	119	78	450
1910-1919	160	28	153	86	73	428
1920-1929	265	36	233	179	132	652
1930-1939	317	74	361	275	183	926
1940-1949	535	90	589	491	317	1,411
1950-1959	1,096	229	881	1,029	347	2,350
1960-1969	1,591	665	1,723	2,649	882	5,304
1970-1974	569	446	821	1,368	444	2,811
1975-1979	528	745	475	687	330	2,157
1980-1984	381	753	343	718	300	1,945
1985-1989	364	910	364	870	321	2,251
1990-1994	381	1,157	295	683	365	2,384
1995-1999	385	976	276	585	400	2,220
2000-2004	420	858	429	453	315	2,080
2005	61	193	41	90	48	373
2006	63	246	60	78	71	460
2007	56	253	43	23	47	386
2008	36	177	12	3	36	249
2009	9	59	3			69
Totals	7,679	8,004	7,297	10,498	4,795	29,487
Average Age	1963	1985	1965	1970	1970	1972
Percent of Collection	3.24%	4.17%	5.02%	8.31%	6.69%	4.44%

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	200	37	64	72	70
1900-1909	115	52	47	58	34
1910-1919	84	20	97	45	43
1920-1929	137	22	126	71	53
1930-1939	169	53	180	113	85
1940-1949	231	52	249	156	111
1950-1959	408	117	293	287	69
1960-1969	646	339	547	1,023	306
1970-1974	265	262	348	712	179
1975-1979	246	468	242	319	145
1980-1984	186	511	133	337	123
1985-1989	181	633	156	421	120
1990-1994	191	815	155	346	155
1995-1999	208	699	164	289	200
2000-2004	224	557	240	206	141
2005	38	146	22	39	23
2006	40	191	38	33	36
2007	25	198	27	12	26
2008	29	128	4	1	22
2009	5	44	2
Totals	3,629	5,344	3,135	4,540	1,941
Average Age	1962	1986	1965	1972	1970

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	502	70	79	15	0	5	671
APL Items	274	2,160	118	33	0	0	2,585
HSU Items	74	51	630	11	0	5	771
McM Items	102	51	70	244	0	4	471
HPU Items	20	0	18	1	0	211	250
Totals	972	2,332	915	304	0	225	4,748

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	30		7	1	2	40
1900-1909	5		14	3	2	24
1910-1919	2		10	1	2	15
1920-1929	11	1	17	4	7	40
1930-1939	8	6	21	2	6	43
1940-1949	29	11	28	7	5	80
1950-1959	67	33	77	50	18	245
1960-1969	74	89	132	68	32	395
1970-1974	17	77	75	36	15	220
1975-1979	33	79	37	20	16	185
1980-1984	36	81	39	25	9	190
1985-1989	30	125	30	48	11	244
1990-1994	62	266	64	43	21	456
1995-1999	64	225	48	61	23	421
2000-2004	126	533	130	59	47	895
2005	22	99	5	21	6	153
2006	17	114	13	15	9	168
2007	31	224	18	7	5	285
2008	6	529	6		14	555
2009	1	93				94
Totals	671	2,585	771	471	250	4,748
Percent of Circulation	1.98%	0.37%	3.56%	9.06%	5.07%	0.62%

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
278	2	267	269	30

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