Number of factories
296
273
250
227
204
181
157
134
111
88
65
16
17
18
19
20
21
22
23
24
25
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
16
17
18
19
20
Y:
65
102
125
146
171
X:
21
22
23
24
25
Y:
188
204
233
258
296
