Number of factories
648
628
608
588
568
549
529
509
489
469
449
24
25
26
27
28
29
30
31
1
2
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
24
25
26
27
28
Y:
449
480
512
530
553
X:
29
30
31
1
2
Y:
574
588
617
632
648
