Number of factories
745
739
733
728
722
716
710
704
699
693
687
27
28
29
30
1
2
3
4
5
6
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
27
28
29
30
1
Y:
687
694
704
718
720
X:
2
3
4
5
6
Y:
729
729
730
741
745