National Center for Geographic Information and Analysis

eScholarship stats: History by Unit for April, 2015 through August, 2026

Unit	Total requests	2026-07	2026-06	2026-05	2026-04	2026-03	2026-02	2026-01	2025-12	2025-11	2025-10	2025-09	2025-08	2025-07	2025-06	2025-05	2025-04	2025-03	2025-02	2025-01	2024-12	2024-11	2024-10	2024-09	2024-08	2024-07	2024-06	2024-05	2024-04	2024-03	2024-02	2024-01	2023-12	2023-11	2023-10	2023-09	2023-08	2023-07	2023-06	2023-05	2023-04	2023-03	2023-02	2023-01	2022-12	2022-11	2022-10	2022-09	2022-08	2022-07	2022-06	2022-05	2022-04	2022-03	2022-02	2022-01	2021-12	2021-11	2021-10	2021-09	2021-08	2021-07	2021-06	2021-05	2021-04	2021-03	2021-02	2021-01	2020-12	2020-11	2020-10	2020-09	2020-08	2020-07	2020-06	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03	2016-02	2016-01	2015-12	2015-11	2015-10	2015-09	2015-08	2015-07	2015-06	2015-05	2015-04
Overall	317,053	5,246	8,396	17,663	13,320	11,101	6,822	8,709	9,894	11,015	5,997	4,101	6,675	8,761	7,918	4,565	3,120	2,689	2,939	2,299	1,965	1,921	3,102	1,487	3,640	3,852	2,044	2,037	2,722	2,473	2,255	3,077	2,126	2,072	2,115	1,797	1,468	1,360	1,535	1,878	1,728	1,995	1,917	2,103	1,918	2,413	2,048	1,996	1,614	1,784	1,773	1,998	2,412	2,375	1,845	1,682	1,650	2,367	2,460	2,369	2,098	2,045	2,453	2,303	2,607	8,991	4,224	2,017	2,083	2,047	1,879	1,859	1,414	1,464	1,342	1,228	987	1,131	1,209	1,094	1,060	1,378	1,287	1,148	991	888	879	1,143	1,240	1,299	1,211	1,071	1,123	1,227	1,062	976	754	881	1,187	1,140	1,162	1,196	1,063	1,177	1,038	1,410	858	1,148	666	491	632	789	918	730	626	948	673	677	719	681	457	495	483	578	634	660	535	616	370	364	387	350	250	150	91	5	3
NCGIA Technical Reports	124,946	2,397	3,069	6,504	4,994	4,006	2,739	3,428	3,655	3,935	2,378	1,763	2,859	3,150	2,820	1,723	1,206	1,174	1,235	1,072	900	898	1,326	677	1,411	1,513	834	931	1,554	1,150	1,180	1,472	1,070	1,060	1,126	885	728	691	764	950	887	1,007	978	1,078	877	1,069	913	889	747	785	743	854	1,048	913	708	736	671	990	922	838	670	663	858	887	872	2,876	1,002	727	735	740	657	670	550	543	479	426	353	441	380	439	404	524	508	453	415	367	366	463	473	542	419	351	446	418	403	417	327	379	455	425	456	483	400	439	426	588	276	392	230	199	229	222	216	262	213	235	176	223	219	212	177	173	193	252	217	271	188	167	135	125	137	98	129	97	88
Core Curriculum-Geographic Information Science (1997-2000)	55,658	471	906	1,593	1,316	1,128	717	838	872	1,035	608	409	583	837	862	532	376	399	400	287	260	248	360	277	406	474	305	395	419	507	418	524	413	515	412	437	364	321	326	443	333	370	389	400	522	458	539	513	394	316	423	424	438	442	425	354	388	586	754	712	635	626	689	652	873	1,330	1,008	700	674	660	609	617	410	450	454	365	275	294	414	315	245	378	288	290	183	208	175	250	264	282	392	341	245	406	369	206	188	170	197	275	294	283	350	395	286	357	329	381	218	149	201	276	321	217	207	284	266	253	274	277	150	176	122	139	189	142	166	135	82	44	49	33	21	17
Core Curriculum-Geographic Information Systems (1990)	42,998	685	1,281	3,380	2,217	1,543	941	1,299	1,562	1,817	790	452	834	1,477	1,343	614	425	358	457	319	270	236	466	204	593	556	276	235	226	273	222	328	215	160	201	143	109	97	145	163	156	211	188	217	180	293	203	172	121	248	193	211	349	569	190	188	203	302	332	383	341	300	330	260	362	1,375	571	220	229	222	200	190	119	146	114	168	90	148	130	102	115	184	152	155	109	110	140	181	222	202	199	200	189	138	77	84	63	110	177	133	114	123	76	82	120	162	79	146	64	60	70	96	120	81	54	212	71	59	61	53	33	46	30	48	64	75	52	63	60	84	49	97	16
GIS Core Curriculum for Technical Programs (1997-1999)	26,997	428	814	1,990	1,390	1,117	624	808	986	1,208	509	291	630	1,004	823	442	293	196	232	178	141	125	270	124	345	448	178	157	163	173	111	228	159	115	121	100	102	98	105	127	132	128	119	161	112	207	151	133	92	106	153	159	205	157	173	92	114	202	170	119	185	181	198	182	173	859	502	124	155	141	148	121	101	128	105	84	98	98	136	65	96	120	156	101	109	64	58	71	92	76	74	49	58	94	65	66	47	45	83	110	93	102	81	90	40	93	39	75	45	16	24	25	35	24	26	67	35	38	31	31	20	15	19	26	24	29	20	107	22	15	22	12
Specialist Research Meetings—Papers and Reports	19,782	422	732	925	915	886	486	486	1,048	838	615	447	573	615	572	344	302	135	147	109	117	128	251	45	172	170	142	108	102	127	107	137	79	65	96	83	58	59	62	59	71	93	78	45	58	129	76	80	86	116	85	117	108	86	106	115	97	66	76	74	53	79	74	70	79	659	270	67	93	100	90	87	69	54	68	72	66	49	45	65	77	47	41	52	63	68	60	78	67	68	37	38	46	54	47	55	45	59	97	59	71	70	60	40	53	70	58	54	59	37	54	103	104	62	53	49	39	45	45	57	42	40	68	42	75	65	52	69	32	46	66	32	30	36	3	5	3
Varenius Initiatives (1995-1999)	16,164	300	464	992	841	753	425	532	515	705	356	215	361	478	478	333	184	162	159	114	111	114	155	80	274	260	116	86	126	88	81	144	77	61	53	45	57	45	67	66	76	99	82	75	80	113	72	75	79	91	55	84	92	98	107	86	81	83	98	123	114	89	178	118	91	1,052	314	71	76	49	41	46	52	32	27	36	30	26	34	33	49	35	35	23	43	21	14	36	23	23	27	22	47	44	20	33	22	29	39	31	48	42	18	51	39	45	23	26	5	7	18	22	39	32	35	33	14	16	39	14	16	8	11	22	19	19	12	29	11	20	31	24	29
NCGIA Closing Reports on Research Initiatives and Projects	14,358	335	643	1,269	912	813	413	725	649	783	400	246	383	598	494	287	173	133	158	107	71	91	130	29	227	229	82	60	58	64	57	117	46	44	57	41	14	11	21	23	35	33	43	50	28	55	29	53	28	32	38	66	59	37	55	44	24	50	21	42	24	32	54	43	43	359	218	35	35	48	47	58	38	26	27	26	27	25	24	28	29	32	38	16	28	20	18	15	26	39	15	15	23	18	14	47	23	51	76	39	45	48	38	34	32	37	13	39	12	18	14	20	29	14	15	27	44	18	15	18	7	10	19	12	13	27	9	24	19	14	14	30	16
Perspectives and Resources for GIScience Education	11,905	129	291	602	493	587	339	434	411	475	219	202	315	422	351	200	121	103	124	91	80	66	113	43	152	145	72	54	48	81	51	99	53	49	43	45	32	33	42	34	35	51	38	59	44	78	60	70	59	75	68	68	93	50	71	50	54	73	81	64	70	68	67	75	105	418	228	67	72	78	75	62	57	80	63	47	38	45	42	36	41	52	61	46	40	27	44	42	58	56	33	31	41	41	60	57	35	31	41	58	34	36	39	43	33	41	33	25	24	4	20	15	42	20	13	30	18	13	28	13	10	20	13	22	20	21	26	16	7	14	13	24	2
Newsletters	4,245	79	196	408	242	268	138	159	196	219	122	76	137	180	175	90	40	29	27	22	15	15	31	8	60	57	39	11	26	10	28	28	14	3	6	18	4	5	3	13	3	3	2	18	17	11	5	11	8	15	15	15	20	23	10	17	18	15	6	14	6	7	5	16	9	63	111	6	14	9	12	8	18	5	5	4	10	5	4	11	4	6	8	12	1	3	4	7	15	11	15	24	28	14	7	11	4	7	22	10	7	9	1	3	9	17	8	10	9	1	2	10	12	18	10	11	10	12	7	6	2	7	8	15	13	11	10	6	2	2	6		7
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