id: 67 media ( 2, (2, 0, 0, 0)) (( 0.9, 0.7 ), ( 1.6, 3.7 ))
 +3                       +5 
|                        
|                     2010  
|                        
+    +    +    +    +    
|                        
|                        
|                        
|                        
+    +    +    +    +    
|                       
|                        
|                        
|                2011       
+    +    +    +    +    
|                        
|                        
|                        
|                        
 0----+----+----+----+---