id: 147 yr ( 8, (3, 4, 1, 0)) (( 6.5, 6.8 ), ( 3.1, 7.0 ))
 +3              |                  +13 
+    +    +    +    +    +    +    
               |                2013  
               |                2017  
               |                   
               |                   
+----+----+----+----+----+-2014-2018+----
               |           2015       
               |                   
               |                   
               |                  
+    +    +    +    +   2016+    +    
               |                   
               |                   
               |    2012              
               |                   
+    +    +    +    +    +    +    
               |                   
               |                   
               |                   
               |                   
+    +    +    +    +    +    +    
               |                   
               |                   
               |                   
               |                   
+    +    +    +    +    +    +    
               |                   
               |                   
               |                   
               |                   
+ 2011  +    +    +    +    +    +    
               |                   
 -19              |                  -10