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	1996-2008
H Index	163
Documents	71.731
Citable Documents	67.560
Citations	582.693
Self Citations	133.165
Citations per Document	8,12

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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	4.147	4.006	48.200	10.931	11,62	2,64	3.384	763	31,23	66,51	0,37
1997	4.199	4.010	49.296	11.092	11,74	2,64	3.479	720	31,32	66,05	0,37
1998	4.311	4.093	52.325	10.480	12,14	2,43	3.515	796	32,20	67,90	0,38
1999	4.504	4.318	56.704	11.795	12,59	2,62	3.684	820	31,75	67,76	0,39
2000	4.348	4.109	53.627	11.591	12,33	2,67	3.612	736	30,80	67,97	0,36
2001	4.427	4.135	48.680	11.070	11,00	2,50	3.698	729	28,08	68,39	0,34
2002	4.967	4.631	44.210	11.107	8,90	2,24	3.958	1.009	27,92	70,19	0,37
2003	5.385	5.050	50.543	11.673	9,39	2,17	4.280	1.105	41,78	66,88	0,38
2004	5.831	5.453	52.108	11.678	8,94	2,00	4.534	1.297	45,40	68,32	0,37
2005	6.459	6.024	46.728	10.791	7,23	1,67	4.790	1.669	46,59	68,18	0,37
2006	7.216	6.812	39.284	9.890	5,44	1,37	5.085	2.131	46,38	66,61	0,40
2007	7.617	7.163	26.854	7.217	3,53	0,95	4.831	2.786	48,86	65,05	0,40
2008	8.320	7.756	14.134	3.850	1,70	0,46	3.843	4.477	48,02	66,78	0,43

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	1.003	1.019	1.021	1.050	1.035	960	1.198	1.265	1.275	1.306	1.525	1.469	1.563
Arts and Humanities	25	32	31	29	31	35	94	123	91	125	147	146	194
Biochemistry, Genetics and Molecular Biology	377	403	383	395	395	432	416	486	467	536	636	688	735
Business, Management and Accounting	17	24	27	17	25	32	51	40	40	66	77	89	124
Chemical Engineering	89	93	122	102	108	100	129	119	155	174	175	198	186
Chemistry	212	246	241	250	238	248	235	275	309	335	351	391	405
Computer Science	75	70	92	77	88	111	96	129	127	142	201	161	198
Decision Sciences	16	20	7	11	6	12	22	21	16	31	44	32	55
Dentistry	16	14	12	18	16	20	18	15	19	6	14	10	17
Earth and Planetary Sciences	524	551	446	513	496	507	608	586	618	650	663	657	655
Economics, Econometrics and Finance	21	26	32	21	37	19	81	53	77	80	102	80	130
Energy	51	36	44	31	44	47	63	60	50	57	72	76	87
Engineering	393	239	257	366	257	260	389	331	426	343	331	444	347
Environmental Science	374	335	304	441	373	384	444	504	520	506	695	675	675
Health Professions	22	19	30	14	22	17	21	21	28	42	32	38	63
Immunology and Microbiology	171	205	204	209	193	220	228	304	306	373	423	532	540
Materials Science	160	179	166	210	173	208	180	193	167	188	259	253	260
Mathematics	122	131	143	173	156	152	164	199	222	252	306	336	358
Medicine	817	870	883	938	978	1.087	1.031	1.160	1.234	1.473	1.588	1.757	2.026
Multidisciplinary	16	19	42	29	27	25	20	36	38	47	57	38	67
Neuroscience	29	23	26	30	50	29	34	51	62	52	73	63	85
Nursing	15	5	14	11	17	16	15	22	21	33	51	69	82
Pharmacology, Toxicology and Pharmaceutics	64	86	67	57	80	86	68	70	75	109	105	110	172
Physics and Astronomy	233	187	240	239	214	178	178	261	315	319	378	421	419
Psychology	85	89	86	78	73	71	62	96	102	113	152	128	197
Social Sciences	153	167	183	200	219	237	301	380	407	468	503	487	587
Veterinary	70	84	80	69	89	75	82	91	101	100	102	126	145

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