id: 319 yr ( 5, (5, 0, 0, 0)) (( 5.3, 6.0 ), ( 25.9, 18.5 ))
 +37                         +31 
+    +    +    +    +    + 
|                       2011  
|                          
|                          
|                          
+    +    +    +    +    + 
|                          
|                          
|                          
|                         
+    +    +   2015+    +    + 
|            2012             
|          20142013              
|                          
|                          
+    +    +    +    +    + 
|                          
|                          
|                          
|                          
+    +    +    +    +    + 
|                          
|                          
|                          
|                          
+    +    +    +    +    + 
|                          
|                          
|                          
|                          
 0----+----+----+----+----+