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Table 4 Contributions to the application and infrastructure layers

From: Multilayered analysis of co-development of business information systems

Period

Contributors

Contributor ratios

ConRels

Contributions

Artifacts

AD

MD

AWD

all

12

100.0

11187

27825

9062

932.2

171.5

2318.8

2014

7

100.0

925

2306

666

132.1

127.0

329.4

2013

6

100.0

572

1227

469

95.3

100.0

204.5

2012

6

100.0

582

1432

466

97.0

104.5

238.7

2011

7

100.0

866

1791

664

123.7

165.0

255.9

2010

9

100.0

1192

2080

805

132.4

80.0

231.1

2009

7

100.0

8577

12660

8240

1225.3

65.0

1808.6

2008

6

100.0

5556

5831

5375

926.0

66.5

971.8