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	1996-2008
H Index	158
Documents	72.569
Citable Documents	70.842
Citations	590.081
Self Citations	130.068
Citations per Document	8,13

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	Documents	Citable Documents	Cites	Self Cites	Cites per Doc.	Self Cites per Doc.	Cited Docs.	Uncited Docs.	% International Collaboration	% Region	% World
1996	2.537	2.510	32.325	7.376	12,74	2,91	2.037	500	41,43	0,76	0,23
1997	2.959	2.933	38.547	8.114	13,03	2,74	2.367	592	40,45	0,84	0,26
1998	3.198	3.135	40.875	8.312	12,78	2,60	2.565	633	39,74	0,89	0,28
1999	3.654	3.591	56.721	11.193	15,52	3,06	3.058	596	42,34	1,01	0,32
2000	3.882	3.805	51.894	10.449	13,37	2,69	3.192	690	40,93	1,04	0,32
2001	4.108	4.013	52.895	11.884	12,88	2,89	3.405	703	36,76	1,10	0,31
2002	4.574	4.479	55.532	12.166	12,14	2,66	3.806	768	38,92	1,20	0,34
2003	5.655	5.529	61.128	13.094	10,81	2,32	4.565	1.090	48,01	1,35	0,40
2004	6.415	6.277	61.091	13.367	9,52	2,08	4.987	1.428	49,15	1,46	0,41
2005	7.132	6.970	51.381	12.125	7,20	1,70	5.361	1.771	49,92	1,49	0,41
2006	8.759	8.561	46.204	11.009	5,28	1,26	6.112	2.647	49,86	1,73	0,49
2007	9.080	8.841	29.419	7.660	3,24	0,84	5.610	3.470	50,33	1,75	0,48
2008	10.616	10.198	12.069	3.319	1,14	0,31	4.044	6.572	50,57	2,01	0,56

Citable vs. Non Citable Documents

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Cited vs. Uncited Documents

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International Collaboration

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Relative Production

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Citation vs. Self-Citation

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Cites per Document vs. External Cites per Document

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Documents by subject areas

	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008
Agricultural and Biological Sciences	286	346	406	427	447	505	599	727	680	779	1.138	1.131	1.309
Arts and Humanities	2	4	2	7	10	6	17	10	17	19	23	41	45
Biochemistry, Genetics and Molecular Biology	339	415	399	494	505	567	603	756	753	839	992	1.062	1.206
Business, Management and Accounting	17	13	11	31	38	35	45	40	60	64	83	101	143
Chemical Engineering	152	198	198	174	248	298	382	299	412	432	471	499	556
Chemistry	265	380	355	445	481	540	590	646	732	813	940	961	1.095
Computer Science	123	139	156	147	198	180	220	492	493	521	601	689	678
Decision Sciences	21	14	34	31	28	33	32	52	42	48	118	93	158
Dentistry	3	3	1	2	1	-	4	3	9	5	13	14	15
Earth and Planetary Sciences	113	88	163	198	177	197	245	291	273	323	448	473	534
Economics, Econometrics and Finance	20	12	21	26	26	28	47	56	56	76	83	102	146
Energy	45	37	42	34	54	48	62	46	74	79	115	103	128
Engineering	367	350	437	449	520	501	556	623	960	772	911	980	971
Environmental Science	103	140	142	211	189	213	283	256	339	399	506	660	693
Health Professions	9	4	6	8	10	7	25	14	23	23	31	33	39
Immunology and Microbiology	109	141	122	165	174	167	169	244	238	231	321	339	391
Materials Science	224	303	331	385	427	538	635	610	772	679	1.074	728	998
Mathematics	149	169	152	194	224	275	268	542	544	624	695	733	784
Medicine	458	528	550	616	583	576	659	918	926	1.059	1.133	1.175	1.636
Multidisciplinary	8	4	12	10	9	13	15	26	15	23	31	39	47
Neuroscience	50	39	59	66	71	62	69	70	88	109	128	130	156
Nursing	-	1	1	3	3	4	5	2	2	6	10	20	25
Pharmacology, Toxicology and Pharmaceutics	67	83	72	83	90	97	113	127	106	147	160	174	200
Physics and Astronomy	270	324	326	467	501	506	540	743	699	739	939	938	1.104
Psychology	20	14	23	14	20	21	24	33	38	51	70	70	75
Social Sciences	32	19	35	37	47	50	69	104	104	131	173	217	287
Veterinary	15	13	22	13	19	19	44	46	40	48	75	76	100

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SCImago Research Group, Copyright 2007-2010. Data Source: Scopus®