تاریخ گردآوری داده­ها

رتبه جهانی

تعداد مقاله

تعداد استناد به کل مقاله­ها

میانگین استناد به هر مقاله

1 ژانویه 2007

41

23693

72156

۳/۰۵

1 نوامبر 2006

42

22635

67605

۲/۹۹

1 سپتامبر 2006

42

21661

63519

۲/۹۳

1 جولای 2006

43

20901

59572

۲/۸۵

1 مارس 2006

44

19236

55086

۲/۸۶

Citations

Per Paper

Citations

Papers

Country

 Rank

13.59

39,198,081

2,885,217

USA

1

8.31

6,522,893

784,945

Japan

2

10.54

7,773,314

737,232

Germany

3

11.96

7,844,771

655,701

England

4

10.08

5,358,320

531,484

France

5

3.76

1,567,891

416,871

China

6

11.12

4,353,237

391,346

Canada

7

9.54

3,490,103

365,923

Italy

8

3.70

1,051,401

284,363

Russia

9

8.15

2,125,862

260,720

Spain

10

9.61

2,363,737

246,027

Australia

11

12.61

2,767,589

219,535

Netherlands

12

3.95

825,469

208,911

India

13

4.95

881,704

177,947

South Korea

14

12.03

2,032,910

168,971

Sweden

15

14.27

2,246,799

157,434

Switzerland

16

5.11

656,574

128,581

Brazil

17

5.15

636,873

123,571

Taiwan

18

5.26

621,420

118,068

Poland

19

10.76

1,253,735

116,540

Belgium

20

10.16

1,078,168

106,071

Israel

21

12.29

1,258,354

102,398

Scotland

22

12.58

1,093,029

86,886

Denmark

23

3.42

296,267

86,603

Turkey

24

10.10

825,866

81,779

Austria

25

11.37

925,621

81,406

Finland

26

6.06

370,315

61,066

Greece

27

10.01

576,717

57,598

Norway

28

5.40

307,939

57,012

Mexico

29

5.79

299,691

51,782

Czech Republic

30

8.65

424,344

49,073

New Zealand

31

6.18

293,002

47,425

Argentina

32

7.20

327,196

45,447

Hungary

33

5.60

252,725

45,118

Singapore

34

2.93

130,017

44,395

Ukraine

35

6.13

261,202

42,632

South Africa

36

6.52

262,725

40,306

Portugal

37

9.69

326,181

33,668

Wales

38

9.20

297,893

32,365

Ireland

39

3.46

94,767

27,386

Egypt

40

3.05

72,156

23,693

Iran

41

7.03

166,347

23,666

Chile

42

4.87

107,191

22,032

Slovakia

43

3.80

82,855

21,780

Romania

44

5.33

92,118

17,284

Thailand

45

4.76

82,167

17,248

Bulgaria

46

8.98

149,409

16,629

North Ireland

47

5.25

86,701

16,525

Slovenia

48

3.50

54,602

15,594

Saudi Arabia

49

4.24

62,730

14,780

Croatia

50

10.60

155,007

14,629

Hong Kong

51

3.08

36,290

11,786

Byelarus

52

3.72

42,081

11,308

Malaysia

53

3.72

39,931

10,739

Yugoslavia

54

5.16

54,727

10,616

Venezuela

55

3.64

37,333

10,267

Morocco

56

2.83

25,159

8,890

Nigeria

57

3.42

27,269

7,969

Pakistan

58

2.91

22,872

7,850

Tunisia

59

5.94

42,056

7,080

Colombia

60

Citations

Per Paper

Citations

Papers

Field

 Rank

4.35

31,354

7,201

Chemistry

1

1.98

7,046

3,552

Engineering

2

2.93

7,083

2,414

Clinical Medicine

3

3.96

8,987

2,269

Physics

4

1.64

2,227

1,361

Plant & Animal Science

5

1.84

2,221

1,209

Materials Science

6

1.00

902

905

Mathematics

7

2.76

1,863

676

Biology & Biochemistry

8

3.83

2,549

666

Pharmacology & Toxicology

9

0.79

447

566

Computer Science

10

2.34

1,233

528

Agricultural Sciences

11

2.03

1,059

521

Geosciences

12

3.92

1,337

341

Neuroscience & Behavior

13

2.69

907

337

Environment/Ecology

14

0.07

14

187

Multidisciplinary

15

1.29

241

187

Social Sciences, General

16

3.61

618

171

Immunology

17

4.51

717

159

Molecular Biology & Genetics

18

3.73

548

147

Psychiatry/Psychology

19

2.35

312

133

Space Science

20

3.54

443

125

Microbiology

21

1.26

48

38

Economics & Business

22

3.05

72,156

23,693

All Fields*

* Includes data for all papers from ranked and unranked fields.