Number of factories
885
882
878
875
872
869
865
862
859
855
852
21
22
23
24
25
26
27
28
29
30
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
21
22
23
24
25
Y:
879
882
885
865
862
X:
26
27
28
29
30
Y:
862
853
852
861
864