Number of factories
879
877
875
872
870
868
866
864
861
859
857
17
18
19
20
21
22
23
24
25
26
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
17
18
19
20
21
Y:
866
865
868
867
857
X:
22
23
24
25
26
Y:
859
860
873
877
879