Number of offices

323
317
312
306
301
295
289
284
278
273
267














































































































































































































































































2829301234567

The X-axis in the diagram shows:  Days
The Y-axis in the diagram shows:  Number of offices
 X:    28  29  30  1  2 
 Y:    323   321  318  305  297 
 X:    3  4  5  6   7 
 Y:    298  298  297  282  267