id: 311 media ( 8, (8, 0, 0, 0)) (( 7.4, 7.6 ), ( 19.1, 17.8 ))
 +37                             +36 
+    +    +    +    +    +    +
|                           2011  
|                              
|                              
|                              
+    +    +    +    +    +    +
|                              
|                              
|                              
|                              
+    +    +    +   2012+    +    +
|                              
|                              
|                              
|                              
+    +    +   2013    +    +    +
|            2014                 
|                              
|          2015                   
|         2016 17                    
+    +   2018+    +    +    +    +
|                              
|                              
|                              
|                              
+    +    +    +    +    +    +
|                              
|                              
|                              
|                              
 0----+----+----+----+----+----