text: Network revenue was higher this year compared to last year. This was 
  the net effect of: 
  (cid:129) higher data revenue related to an increase in subscriber levels and 
  
  **WIRELESS DATA REVENUE**
  (IN MILLIONS OF DOLLARS) 
  
  **2013** **$3,175**
  higher usage of wireless data services 
  
  (cid:129) partially offset by our introduction of new lower priced US and 
  international roaming plans and rates which offer consumers more 
  value, and 
  
  2012  $2,722 
  
  2011  $2,325 
  
  (cid:129) the continued adoption of customer friendly simplified plans, which 
  often bundle in certain features like voicemail, caller ID and long 
  distance that we have charged for separately in the past. 
  
  Excluding the decline in US and international roaming revenue this year, 
  network revenue would have increased 1%. 
  **47%**
  
  2012  41% 
  
  2011  35% 