id: 25 media ( 3, (2, 1, 0, 0)) (( 2.1, 1.5 ), ( 1.0, 15.7 ))
 +3                              +17 
|                               
+    +    +    +    +    +   2009+ 
|                               
|                            2010  
|                              
|                               
+----+----+----+----+----+----+-
|                               
|                               
|                       2011       
|                               
 -2    +    +    +    +    +    +