Actually 12 left from last month (including a 4 January new hire).There were 6 new hires. 12 left plus 6 new hires is a net loss of 6.

12/15 1122 last new hire on the list 3 aug

1/16 1195 +73 4 left, plus 77 new hires between 3 aug-4 jan

2/16 1189 -6 12 left plus 6 new hire between 4 jan - 1 feb

I guess that 5k bonus isn't bringing the flood of applicants they expected.