PPT Slide
Inflow (+) or Outflow (-) in Year
0
1
2
3
4
5
N
NN
-
+
+
+
+
+
N
-
+
+
+
+
-
NN
-
-
-
+
+
+
N
+
+
+
-
-
-
NN
-
+
+
-
+
-
NN
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