2008-09

2009-10

2010-11

2011-12

% change

Internet

4,213

5,764

4,111

2,975

-27.6

Landline

9,223

8,882

6,631

4,598

-30.7

Mobile

7,981

9,242

9,754

12,083

23.9

Mobile Premium Services

735

329

139

144

3.6

Total Investigations

22,152

24,217

20,635

19,800

-4