Number of factories
974
969
964
959
954
949
943
938
933
928
923
10
11
12
13
14
15
16
17
18
19
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of factories
X:
10
11
12
13
14
Y:
925
936
948
951
960
X:
15
16
17
18
19
Y:
969
974
954
923
926
