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Table 3 Countries with a minimum of five documents

From: A comprehensive bibliometric analysis of Catha edulis (Vahl) Endli (Khat) research (1961–2021)

Country

Documents

Citations

Total Link Strength

Citation Average

Ethiopia

231

3174

134

13.74

United States

148

4061

117

27.44

Yemen

101

1855

113

18.37

Saudi Arabia

112

1269

94

11.33

United Kingdom

113

3274

73

28.97

Germany

48

1441

46

30.02

Egypt

42

467

44

11.12

Qatar

9

187

35

20.78

Kenya

56

812

28

14.5

South Africa

41

771

27

18.8

United Arab Emirates

7

176

24

25.14

Netherlands

28

886

23

31.64

Oman

6

139

23

23.17

Sweden

26

621

21

23.88

Austria

7

289

16

41.29

Malaysia

19

238

16

12.53

India

20

304

15

15.2

Norway

24

565

14

23.54

Australia

20

520

13

26

Canada

16

737

13

46.06

France

15

563

12

37.53

Italy

22

541

12

24.59

Nigeria

7

55

12

7.86

Spain

11

225

12

20.45

Japan

13

223

11

17.15

Tanzania

7

56

11

8

Uganda

11

440

11

40

Belgium

11

140

9

12.73

Sudan

7

76

9

10.86

Somalia

8

148

8

18.5

Switzerland

32

1233

7

38.53

China

17

157

5

9.24

Denmark

9

265

4

29.44

Israel

13

320

4

24.62

Brazil

10

324

3

32.4

Hungary

7

273

3

39

Iran

10

34

1

3.4

South Korea

6

144

1

24

  1. Total link strength describes the strength of co-authorship