id: 339 media ( 5, (5, 0, 0, 0)) (( 6.2, 6.1 ), ( 17.4, 16.8 ))
 +30                              +29 
+    +    +    +    +    +    + 
|                            2016  
|                               
|                               
|                               
+    +    +    +    +    +    + 
|                               
|                               
|                               
|                               
+    +    +    +    +    +    + 
|                               
|                2017              
|                              
|                               
+    +    +    +    +    +    + 
|            2018                  
|           20202019                  
|                               
|                               
+    +    +    +    +    +    + 
|                               
|                               
|                               
|                               
+    +    +    +    +    +    + 
|                               
|                               
|                               
|                               
 0----+----+----+----+----+----+