Number of factories
416
396
376
356
336
316
296
276
256
236
216
1
2
3
4
5
6
7
8
9
10
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
1
2
3
4
5
Y:
216
250
267
300
308
X:
6
7
8
9
10
Y:
334
364
402
399
416
