http://www.who.int/mental_health/pre...cide_rates/en/

If I'm getting the contents of above link right, 9 in an year is still below the rate of average population, ~ 14 per 100000 per year. So expected yearly amount of suicides in population of 300000 would be 42.

Am I missing something?

Certainly I'm not trying to say that everything is good with the working enviroment for these factory employees. I'm just saying that all the press publicity around the issue might be a bit sensationalist.