Number of factories

1,386
1,378
1,369
1,361
1,352
1,344
1,335
1,327
1,318
1,310
1,301













































































































































































































































































16171819202122232425

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:    1,301   1,310  1,323  1,321  1,329 
 X:    21  22  23  24   25 
 Y:    1,359  1,349  1,362  1,370  1,386