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Insights into Imaging

Table 2 Number of articles, mean cumulative impact factor (IF), mean population, mean cumulative IF per capita (p.c.) and mean IF between 1998 and 2007

From: Radiological research activity 1998–2007: relationship to gross domestic product, health expenditure and public expenditure on education

 

Number of articles, 1998–2007

Cumulative IF, 1998–2007

Population (106), 1998–2007

Cumulative IF p.c. (IF/106), 1998–2007

IF 1998–2007

Australia

1,534

370.2

19.7

18.6

2.41

Austria

1,675

387.3

8.2

47.1

2.31

Belgium

2,200

545.8

10.3

52.9

2.48

Brazil

730

119.3

180.5

0.7

1.63

Canada

4,320

1,211.1

31.5

38.2

2.80

China

3,185

687.0

1,291.1

0.5

2.16

Denmark

768

195.0

5.4

36.2

2.54

Finland

951

248.3

5.2

47.6

2.61

France

4,501

1,085.7

60.1

18.0

2.41

Germany

10,778

2,686.2

82.5

32.6

2.49

Greece

935

170.0

11.0

15.4

1.82

India

962

146.2

1,090.2

0.1

1.52

Israel

1,118

232.7

6.4

36.0

2.08

Italy

3,731

844.2

58.2

14.5

2.26

Japan

7,430

1,664.7

127.4

13.1

2.24

Netherlands

3,777

1,104.9

16.1

68.3

2.93

Poland

551

95.2

38.3

2.5

1.73

South Korea

2,556

581.8

47.3

12.2

2.28

Spain

1,826

346.5

41.8

8.2

1.90

Sweden

1,760

380.1

9.0

42.4

2.16

Switzerland

2,305

619.7

7.3

84.0

2.69

Turkey

1,925

294.0

70.5

4.1

1.53

UK

8,766

2,016.5

59.6

33.8

2.30

USA

34,698

9,327.8

292.4

31.8

2.69

All countries

102,982

1,056.7

148.7

27.4

2.46

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