Year

Total sample

Interlocking directorates sample

Horizontal

Vertical

Mixed

Total

Horizontal

Vertical

Mixed

Total

2014

6

9

8

23

3

2

0

5

2013

8

2

0

10

3

2

0

5

2012

8

1

1

10

1

0

0

1

2011

3

1

3

7

0

1

0

1

2010

4

0

2

6

1

0

1

2

2009

4

1

3

8

0

0

0

0

2008

2

2

4

8

1

1

1

3

2007

4

2

6

12

2

2

1

5

2006

7

3

4

14

1

1

2

4

2005

4

4

0

8

1

2

0

3

2004

4

0

8

12

0

0

1

1

Total

54

25

39

118

13

11

6

30