Number of factories
940
938
935
933
930
928
925
923
920
918
915
23
24
25
26
27
28
29
30
1
2
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
23
24
25
26
27
Y:
916
919
923
931
932
X:
28
29
30
1
2
Y:
937
940
916
916
915