Center for Environmental Research and Technology

eScholarship stats: History by Unit for June, 2012 through September, 2026

Unit	Total requests	2026-09	2026-08	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	2015-03	2015-02	2015-01	2014-12	2014-11	2014-10	2014-09	2014-08	2014-07	2014-06	2014-05	2014-04	2014-03	2014-02	2014-01	2013-12	2013-11	2013-10	2013-09	2013-08	2013-07	2013-06	2013-05	2013-04	2013-03	2013-02	2013-01	2012-12	2012-11	2012-10	2012-09	2012-08	2012-07	2012-06
Overall	353,503	4,617	14,311	8,421	12,584	23,618	18,563	15,883	9,161	11,479	11,399	12,808	7,221	5,378	6,523	13,166	12,340	6,225	3,758	3,419	3,864	3,054	2,174	2,934	3,492	1,375	6,685	6,150	2,249	2,072	2,436	2,159	1,904	2,806	2,252	1,670	1,734	1,499	1,736	1,600	1,471	1,876	1,654	2,000	1,591	2,518	1,881	1,815	1,512	1,708	1,474	1,519	1,790	1,833	2,291	1,948	1,547	1,551	1,633	2,583	2,500	1,913	2,067	1,537	1,624	1,615	1,834	3,257	3,021	2,322	1,546	2,146	1,562	1,566	1,926	2,034	1,701	1,900	1,933	1,483	1,102	1,028	806	1,097	1,227	1,282	1,783	1,531	1,273	961	791	938	708	513	488	476	441	428	382	453	365	458	266	207	187	230	226	255	200	224	125	146	144	87	40	44	32	75	38	23	36	28	40	35	38	40	48	73	56	34	36	42	40	38	36	36	41	58	54	75	22	44	35	39	32	34	38	46	40	57	38	54	32	51	33	36	24	40	31	32	26	29	49	57	40	23	37	29	23	25	20	19	3
2018 Publications	79,657	983	3,021	1,891	2,639	5,198	3,665	3,395	1,966	2,350	2,446	2,763	1,474	1,130	1,438	2,851	2,702	1,350	820	740	843	697	436	706	751	280	1,469	1,375	465	522	612	554	490	644	595	373	387	363	483	374	335	521	521	496	415	658	462	432	345	411	341	323	488	466	560	545	380	367	398	692	698	536	534	383	416	450	533	759	613	699	460	644	481	484	599	626	503	610	565	521	386	368	300	435	438	448	543	618	515	95
2017 Publications	79,188	888	3,626	1,642	2,419	5,417	4,098	3,259	1,815	2,168	2,215	2,719	1,530	994	1,327	2,769	2,589	1,323	711	734	975	781	457	865	811	310	1,495	1,467	476	428	508	443	384	611	514	352	386	331	376	369	345	402	332	395	348	555	392	418	321	370	356	389	423	432	528	487	366	410	447	611	548	379	502	378	383	379	387	637	515	593	367	497	341	382	428	537	420	476	387	489	338	324	222	312	349	386	521	490	354	437	399	482	373	277	255	251	243	244	222	228	179	271	97
Recent Work	70,717	1,441	3,326	1,763	3,042	4,953	4,196	3,623	2,295	2,813	2,741	2,830	1,675	1,593	1,420	2,824	2,622	1,314	722	672	783	523	432	374	642	284	1,295	1,120	474	367	465	374	336	557	401	376	386	264	227	247	244	320	248	385	262	369	283	309	283	261	224	174	217	255	307	257	266	248	196	309	334	295	252	205	184	152	173	558	507	218	151	207	140	145	209	192	171	156	169	163	112	124	96	108	134	114	172	131	128	122	104	116	79	55	57	30	55	55	35	74	72	53	59	84	50	64	55	91	49	50	17	30	42	36	40	44	32	75	38	23	36	28	40	35	38	40	48	73	56	34	36	42	40	38	36	36	41	58	54	75	22	44	35	39	32	34	38	46	40	57	38	54	32	51	33	36	24	40	31	32	26	29	49	57	40	23	37	29	23	25	20	19	3
2019 Publications	47,793	573	1,973	1,215	1,947	3,532	2,709	2,417	1,328	1,793	1,704	1,917	1,077	702	896	2,016	1,960	932	555	584	473	391	305	431	554	164	976	975	308	283	327	300	294	453	322	220	234	222	256	260	226	306	218	308	224	396	318	266	230	251	211	270	233	221	369	251	199	202	230	330	329	218	228	202	197	227	230	420	413	290	235	266	199	206	222	244	155	223	383	7	2	5	9	2	3	12	10	5	3	5	6
2016 Publications	44,195	403	1,408	913	1,318	2,286	2,041	1,686	907	1,300	1,289	1,419	795	484	741	1,465	1,392	727	569	389	444	363	276	306	378	153	903	717	239	226	263	237	218	289	194	186	166	169	189	138	146	172	167	206	159	300	251	211	165	230	197	180	246	257	312	248	203	166	208	376	337	273	355	222	266	224	263	471	411	372	217	385	251	254	283	287	279	275	244	273	196	170	151	199	234	268	379	287	271	307	288	340	256	181	176	195	143	129	125	151	114	134	110	123	137	166	171	164	151	174	108	116	102	51
Previously Published Works	21,592	200	619	642	738	1,465	1,233	979	563	686	644	790	436	310	455	783	667	388	249	207	231	216	190	166	237	124	353	326	206	188	188	199	136	170	181	128	137	117	174	186	153	134	147	151	142	193	144	159	139	165	127	146	145	164	142	135	103	111	99	214	197	161	157	110	130	127	162	218	261	99	74	87	87	42	59	79	118	52	50	45	62	37	33	40	61	63	161
2020 Publications	12,292	142	379	389	542	811	720	620	322	444	404	468	280	209	290	534	484	211	153	118	144	108	105	116	150	76	242	205	116	69	99	67	55	105	63	40	43	39	51	63	53	46	52	74	62	61	43	34	29	27	32	38	37	49	80	32	36	53	60	59	58	56	45	41	50	61	90	225	335	61	47	73	71	62	135	78	59	114	153	3	7	5	4	3	10	1	2	5	5
2015 Previously Published Works	773	16	40	37	48	84	60	39	28	23	39	35	15	18	23	32	31	20	10	6	8	2	4	4	8	1	8	13	7	4	4	3	2	4	3	3	2		7	2	1	5	2			6	2	1	2	1		1	2	1	2	1			1	3	3	2	1					8	13	3		2			1	4	1	1		1	1				1	2	5

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