Employees	Union Workers
Total personnel	2,194	3,327
Hombres	1,761	3,001
Mujeres	433	326
By age range
Less than 20 years	1	43
20-29 years	454	1,064
30-39 years	901	1,205
40-49 years	589	775
50-59 years	226	235
More than 60 years old	23	5
Nationality
Mexican	2,190	3,327
Other	4	0