Ai Mayumi (Japan, Hamamatsu) prefer positions after 5 moves

All yearsLast ten years
2
4135
2bw
+  
=  
-2 
?  
2
4135
2bw
+  
=  
-2 
?  
2
143
5
1bw
+  
=  
- 1
?  
2
143
5
1bw
+  
=  
- 1
?  
3
542
1
1bw
+  
=  
- 1
?  
3
542
1
1bw
+  
=  
- 1
?