History -- Americas

Volume, Title, and Unique Books data collected on June 4, 2002.
Circulation statistics for the ALC fiscal year ending May 31, 2002.

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
1800-1899	278	40	136	124	154	732
1900-1909	282	93	169	149	111	804
1910-1919	226	46	183	95	96	646
1920-1929	416	45	342	270	170	1,243
1930-1939	383	90	434	334	215	1,456
1940-1949	651	150	656	568	364	2,389
1950-1959	1,393	325	1,063	1,145	417	4,343
1960-1969	1,893	1,034	1,973	2,700	936	8,536
1970-1974	566	650	936	1,465	498	4,115
1975-1979	522	959	522	709	343	3,055
1980-1984	369	1,041	356	711	308	2,785
1985-1989	316	1,091	365	849	319	2,940
1990-1994	289	1,277	273	629	313	2,781
1995	34	270	37	110	70	521
1996	47	219	51	118	75	510
1997	40	165	39	118	98	460
1998	56	189	54	118	103	520
1999	48	206	42	82	56	434
2000	41	166	81	84	66	438
2001	37	120	14	28	18	217
2002	2	24	2	2		30
Totals	7,889	8,201	7,729	10,409	4,731	38,959
Average Age	1956	1980	1960	1968	1966	1966
Percent of Collection	3.78%	4.69%	5.61%	7.84%	6.90%	5.39%

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
1800-1899	145	34	93	99	105	444
1900-1909	129	47	99	114	79	366
1910-1919	137	30	151	77	72	405
1920-1929	244	35	234	171	130	630
1930-1939	288	73	350	250	182	890
1940-1949	500	101	579	458	314	1,361
1950-1959	1,018	265	855	902	341	2,225
1960-1969	1,455	770	1,641	2,343	871	5,010
1970-1974	505	479	777	1,318	436	2,694
1975-1979	473	778	456	640	317	2,092
1980-1984	334	733	323	667	295	1,828
1985-1989	282	845	346	812	311	2,058
1990-1994	256	1,036	247	608	297	2,031
1995	31	211	37	106	60	382
1996	37	190	50	115	59	388
1997	35	142	37	114	91	361
1998	56	153	54	116	98	396
1999	48	162	42	82	53	319
2000	37	131	34	83	60	292
2001	28	89	14	28	18	154
2002	2	19	2	2		24
Totals	6,040	6,324	6,422	9,106	4,190	24,352
Average Age	1960	1981	1962	1969	1968	1968
Percent of Collection	3.34%	4.87%	5.30%	7.59%	6.77%	4.76%

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
1800-1899	88	29	66	73	73
1900-1909	58	34	46	58	36
1910-1919	71	23	96	45	44
1920-1929	120	21	130	74	54
1930-1939	159	52	183	113	88
1940-1949	216	54	244	149	116
1950-1959	381	129	293	272	76
1960-1969	600	390	524	929	315
1970-1974	223	263	335	722	182
1975-1979	222	500	237	316	138
1980-1984	155	493	126	343	121
1985-1989	138	585	151	428	120
1990-1994	115	738	140	346	130
1995	15	149	23	58	32
1996	18	136	29	60	30
1997	16	106	20	68	51
1998	37	105	35	59	59
1999	27	103	20	31	27
2000	25	86	20	39	32
2001	13	56	8	15	11
2002		15	2	1
Totals	2,697	4,067	2,729	4,199	1,735
Average Age	1960	1981	1960	1970	1965

Total Circulation

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

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	625	78	108	44	34	2	891
APL Items	165	2,371	120	89	30	11	2,786
HSU Items	36	48	1,009	20	9	1	1,123
McM Items	78	98	152	866	32	6	1,232
HPU Items	17	3	18	15	0	156	209
Totals	921	2,598	1,407	1,034	105	176	6,241

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, 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	20		25	5	5	55
1900-1909	19		3	7	19	48
1910-1919	25		9	9	1	44
1920-1929	36	3	17	9		65
1930-1939	38	8	52	21	10	129
1940-1949	43	31	49	28	11	162
1950-1959	133	108	128	72	9	450
1960-1969	171	214	229	202	31	847
1970-1974	74	154	132	177	16	553
1975-1979	74	162	105	84	11	436
1980-1984	47	113	112	104	17	393
1985-1989	49	209	68	130	10	466
1990-1994	58	348	79	164	22	671
1995	10	94	6	35	6	151
1996	15	111	30	32	4	192
1997	7	63	4	31	6	111
1998	26	131	16	26	9	208
1999	11	128	18	36	10	203
2000	20	260	20	27	8	335
2001	15	607	16	31	2	671
2002	1	41		2		44
Totals	892	2,785	1,118	1,232	207	6,234
Percent of Circulation	2.04%	0.77%	4.83%	10.42%	3.50%	1.39%

Non-Circulating Use

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

ACU	APL	HSU	McM	HPU
212	1	327	339	40

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