Number of offices
243
219
195
171
147
123
99
75
51
27
3
6
7
8
9
10
11
12
13
14
15
The X-axis in the diagram shows:
Days
The Y-axis in the diagram shows:
Number of offices
X:
6
7
8
9
10
Y:
3
19
36
54
78
X:
11
12
13
14
15
Y:
119
148
178
215
243