id: 16 media ( 10, (10, 0, 0, 0)) (( 2.0, 1.9 ), ( 6.4, 3.2 ))
 +11    +    +    +    + +8 
|                      
|                   2012  
|                      
|                      
+    +    +    +    +  
|                      
|              2013       
|                      
|                      
+    +    2014    +    +  
|                      
|                      
|                      
|                     
+    2017 15  2018 +    +    +  
|                      
|  2016 2021 20 19                 
|                      
|                      
+    +    +    +    +  
|                      
|                      
|                      
|                      
+    +    +    +    +  
|                      
|                      
|                      
|                      
 0----+----+----+----+-