Order

Number of articles

Centrality

Country

Starting year

1

1083

0.57

USA

1990

2

427

0.06

PEOPLES R CHINA

1999

3

302

0.17

AUSTRALIA

1992

4

297

0.22

GERMANY

1990

5

264

0.21

ENGLAND

1992

6

233

0.05

CANADA

1991

7

218

0.31

FRANCE

1993

8

147

0.09

BRAZIL

1991

9

144

0.03

INDIA

1993

10

131

0.08

SPAIN

1994

11

118

0.10

NETHERLANDS

1991

12

115

0.02

JAPAN

1991

13

96

0.08

SWEDEN

1991

14

95

0.04

NEW ZEALAND

1990

15

92

0.04

ITALY

1997