Number of offices

437
435
432
430
428
426
423
421
419
416
414













































































































































































































































































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The X-axis in the diagram shows:  Days
The Y-axis in the diagram shows:  Number of offices
 X:    3  4  5  6  7 
 Y:    414   429  437  427  415 
 X:    8  9  10  11   12 
 Y:    416  420  420  418  421